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xx Re: *The Solar News Thread* 56kers beware..
« Reply #210 on: Jun 30th, 2010, 09:53am »

on Jun 21st, 2010, 2:36pm, Jackolope wrote:
Update:




FATHER'S DAY BLAST: Consider it a Father's Day gift ... from the sun. This morning around 1 a.m. UT, magnetic fields on the sun's eastern limb became unstable and erupted, producing one of the most spectacular explosions of the year. NASA's Solar Dynamics Observatory recorded the action:
http://www.spaceweather.com/swpod2010/20jun10/prom304.mpg
The explosion did not cause a solar flare (a flash of electromagnetic radiation) but it did hurl a massive cloud of magnetized plasma into space: SOHO movie. Because of the blast site's location on the eastern limb, the cloud will not hit Earth. There won't be any geomagnetic storms or auroras. Future eruptions, however, could have greater effect.
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COMET McNAUGHT (C/2009 R1): Comet McNaught is approaching the sun, which makes the comet bright, but also difficult to see. "I had only a 15 minute view before the sky started to get light this morning," reports Parks Squyres, who sends this picture from SaddleBrooke, AZ:
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The comet will continue to brighten as it swings by the sun. Unfortunately, though, after perihelion (closest approach to the sun) on July 2nd, the comet will not only recede from the sun but also from Earth. The final mornings of June could offer our last good look at this blue-green apparition from the outer solar system.



I remember how HOT Fathers day was here! It was well over 100! We went to Sevierville Tn with Jacks folks and we were in traffic forever. The trucks temperature reader went all the way to 104.

This week its sopose to be in the 80s... This we are very greatful for. Jack did mention something about there being a new sun spot forming though....

Today may be our last chance to get a good look at the Comet McNaught, being the last day of June and all. I'll try to find some more pics and update soon!

-AlwaysLookingToTheHeavensLi
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xx Re: *The Solar News Thread* 56kers beware..
« Reply #211 on: Jun 30th, 2010, 11:05am »

HOW LONG CAN THIS GO ON? Answer: Until Friday. For the rest of this week, the ISS will be in almost constant sunlight. This means the space station shines brightly in the night sky every single time it passes overhead. Many observers are witnessing 3, 4, even 5 flybys a night. On June 28th, Mark Humpage photographed a rare triple flyby over Lutterworth, UK. Ready for your own triple? Check the Simple Satellite Tracker for viewing times.

http://www.spaceweather.com/flybys/?PHPSESSID=hvkj0aspdnhv7dgps597cqb3t2


PLASMA PUFFS: A magnetic filament is snaking over the sun's northeastern limb, and it is filled with cool dark "puffs" of solar plasma. Pete Lawrence sends this picture from his backyard observatory in Selsey, UK:

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Each puff is about the size of Earth, but much less dense; solar plasma consists mainly of gaseous hydrogen. If you could fit one in our atmosphere, it would float.

Despite the diaphanous nature of these plasma clouds, they can cause quite a stir if they fall to the stellar surface, producing an intense flash of radiation called a "Hyder flare." So far, however, the puffs seem to be held firmly aloft by the magnetic filament shown in this SDO image. No explosions are in the offing.

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NEW SUNSPOT 1084: A new sunspot is rotating into view around the sun's southeastern limb. Rogerio Marcon sends this picture from his backyard observatory in Campinas, Brazil:

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FALCON 9 REENTRY: According to US Strategic Command, SpaceX's Falcon 9 rocket reentered Earth's atmosphere on June 27th at 50 minutes past midnight UT (+/- 2 hours). Nominally, this puts the fireball somewhere over the Iraq-Syria border, although the 2 hour uncertainty means reentry could have happened almost anywhere along the rocket's ground track. The Falcon 9 and its companion the Dragon are of interest because they could become commercial successors to NASA's retiring space shuttle. This reentry was the expected conclusion to the Falcon 9's inaugural test flight.




LUNAR ECLIPSE: On Saturday, June 26th, the Moon passed through the shadow of Earth, producing a partial lunar eclipse. In Australia, Geoff Sims combined a series of images to reveal the outline of Earth's shadow:
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"The weather was perfect here in Sydney," says Sims. "I was able to photograph the entire eclipse."

His composite shows that the Moon passed through the shadow off-center. At maximum, only 54% of the lunar diameter was covered. In fact, Earth's shadow is big enough to swallow the entire Moon, and later this year it will. On Dec. 20th there will be a total lunar eclipse. Until then, browse the gallery:

http://www.spaceweather.com/eclipses/gallery_26jun10_page2.htm?PHPSESSID=ig16f2h9u2hemh3dirs7oe3lm0






Other news:
Open up the asteroid sample
http://www.popsci.com/technology/article/2010-06/jaxa-team-starts-pry-open-asteroid-sample-capsule-finds-trace-gas

New clock may figure out the way time moves through space
http://www.sciencedaily.com/releases/2010/06/100624140910.htm


Nuke asteroids?
http://www.space.com/scienceastronomy/diverting-asteroids-nuclear-explosives-100625.html

Super Storm on exsolar planet
http://news.bbc.co.uk/2/hi/science_and_environment/10393633.stm


Dark side of moon revealed in HD
http://gizmodo.com/5571073/the-dark-side-of-the-moon-like-never-seen-before

Shuttle launch with sky divers
http://gizmodo.com/5569462/space-shuttle-launch-aims-for-the-sun-seen-by-sky+divers

Solar sails deployed!
http://news.discovery.com/space/japans-solar-sail-photographed-in-orbit.html





Boston Globe's The Big Picture has a collection of "a handful of recent images from the Saturnian system". As always with the Big Picture, get ready to be amazed

http://www.boston.com/bigpicture/201...on_saturn.html
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Quote:
An aurora, shining high above the northern part of Saturn, moves from the night side to the day side of the planet in this movie recorded by Cassini. These observations, taken over four days, represent the first visible-light video of Saturn's auroras. They show tall auroral curtains, rapidly changing over time when viewed at the limb, or edge, of the planet's northern hemisphere. The sequence of images also reveals that Saturn's auroral curtains reach heights of more than 1,200 km (746 mi) above the planet's limb. These are the tallest known "northern lights" in the solar system. Each image was obtained with a two- or three-minute exposure, taken in visible light with the Cassini spacecraft's narrow-angle camera from October 5th to 8th 2009. (NASA/JPL/SSI





Solar Music

Astronomers at the University of Sheffield in England have recorded music generated by the Sun. The eerie sounding harmonies are produced by the coiling magnetic fields from the star's outer atmosphere, which vibrate like strings in a piano. Using satellite data, scientists converted the visible vibrations into sound and sped up the frequency so humans could hear it. Listen to the solar music at Telegraph.co.uk.
http://www.telegraph.co.uk/science/space/7840201/Music-of-the-sun-recorded-by-scientists.html



Going to double post the next part in the LHC thread.



Sounds of the God Particle

What does the so-called 'God Particle' sound like? A simulation of the noise such a particle (also called Higgs boson) would make has been modeled by Dr. Lily Asquith. Scientists are trying to produce various sub-atomic particles at the Large Hadron Collider, and the simulated sounds will aid them in their identification process. More, including audio files, at BBC News.
http://news.bbc.co.uk/2/hi/science_and_environment/10385675.stm

« Last Edit: Jun 30th, 2010, 9:16pm by Jackolope » User IP Logged

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xx Re: *The Solar News Thread* 56kers beware..
« Reply #212 on: Jul 3rd, 2010, 2:01pm »

DOUBLE BLAST: The sun is very active today. A pair of magnetic filaments--one on either side of the solar disk--erupted on July 3rd, hurliing a pair of coronal mass ejections (CMEs) into space

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The movie actually shows four eruptions. The first pair may have been precursors of the second. Stay tuned for related high-res images from the Solar Dynamics Observatory and more information as we unravel these explosive events.



PINWHEEL SUNSPOT: The dark core of sunspot 1084 is twice as wide as Earth itself. More impressive, however, is the enormous swirl of hot gas and magnetic fields suspended overhead. Today's extreme UV image from NASA's Solar Dynamics Observatory reveals the sunspot's pinwheel canopy:

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xx Re: *The Solar News Thread* 56kers beware..
« Reply #213 on: Jul 4th, 2010, 3:37pm »

4TH OF JULY FIREWORKS: It has been a busy weekend on the sun. So far the Solar and Heliospheric Observatory (SOHO) has recorded no fewer than five CMEs blasting out of the sun's atmosphere. Click on the image to set the clouds in motion:
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The two brightest CMEs, pictured above, were caused by eruptions of unrelated magnetic filaments on opposite sides of the sun. The origin of the other three CMEs in the movie remains uncertain. None of the clouds appears to be heading toward Earth; the display was photogenic, but not geoeffective.

Stay tuned for follow-up movies from the Solar Dynamics Observatory, which should reveal some of the blast sites in greater detail.






Russian cargo ship 'under control' official says
http://news.bbc.co.uk/2/hi/science_and_environment/10497331.stm

PROGRESS 38 DOCKED: Two time's a charm. Russia's Progress 38 supply ship docked to the ISS at 12:17 pm EDT on Sunday, July 4th. The Progress 38 had earlier failed to latch onto the ISS when TV signals from a transmitter in the space station's Zvezda module interfered with the automated docking system. Get the full story from NASA.

http://www.nasa.gov/mission_pages/station/main/index.html
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xx Re: *The Solar News Thread* 56kers beware..
« Reply #214 on: Jul 5th, 2010, 2:10pm »

SUN HALO: Temperatures in Kolkata, India, today are above 90 degrees F. So when a gathering thundercloud drifted in front of the sun, producing a patch of cool shade on the ground, photographer Rana Khan looked up gratefully. Then he scrambled for a camera!

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"This stunning halo appeared when the sun was nearly overhead and lasted for almost 30 minutes," says Khan. "It was very bright."

The halo tells us that, despite the heat, the air many kilometers above Kolkata is peppered with ice crystals. Sunlight shining through the tiny prism-like crystals produced a rainbow-colored ring. Actually there are two rings: a 22o halo and a circumscribed halo overlapping almost perfectly to create a very cool spectacle on a very hot day.

Earth's atmosphere always contains ice crystals. Even when it is sweltering at ground level, the air 10 km high is freezing, and only a little moisture is required to produce a swarm of crystals ready to play beautiful tricks with sunlight. So no matter where you live, find a patch of shade and keep looking up.


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Sunspot update:

The appearance of the sunspot is shaped by its spiraling magnetic field, which organizes the plasma around it like a whirpool. This configuration must be remarkably stable because the sunspot has not produced the slightest hint of a solar flare in many days. Indeed, the whirlpool does not seem to move at all. It is like a giant tornado of hot plasma and magnetism frozen in place.

The sun's rotation is carrying this photogenic spot toward the western limb where it will disappear later this week. Readers with solar telescopes, catch it before it goes!

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Far off world puzzles astronomers- the planet that should exist
http://news.discovery.com/space/star-orbit-planet.html
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xx Re: *The Solar News Thread* 56kers beware..
« Reply #215 on: Jul 7th, 2010, 2:57pm »

FARSIDE BLAST: Old sunspot 1082, currently rounding the far side of the sun, erupted during the late hours of July 5th. The Solar and Heliospheric Observatory recorded a CME billowing over the edge of the solar disk
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while NASA's STEREO-B spacecraft had a direct view of the explosion itself
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The farside location of the blast site means there will be no Earth effects from the event--not this time. The active region will turn to face Earth after July 10th.



A SUNSPOT APPROACHES: For several days, NASA's STEREO-B spacecraft has been monitoring an apparent sunspot on the far side of the sun. Just yesterday, it erupted and hurled a bright coronal mass ejection over the edge of the solar disk (movie). Now, the sunspot itself is approaching:

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The Solar and Dynamics Observatory took this extreme ultraviolet picture just hours ago. It shows the spot's magnetic canopy towering over the sun's eastern limb, heralding the appearance of the sunspot's core on July 9th or 10th. After that the active region will turn to face Earth and any further eruptions could be geo-effective. Stay tuned for space weather.


SBSS LAUNCH DELAYED: The US Air Force's first Space Based Space Surveillance (SBSS) spacecraft will not launch on July 8th as planned. The Minotaur IV launch vehicle might have a software problem, just identified in a laboratory test of another Minotaur IV. When the SBSS does get off the ground, it will use a large onboard telescope to track space debris and other "potential future threats to the United States' space assets," according to prime contractor Boeing.
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xx Re: *The Solar News Thread* 56kers beware..
« Reply #216 on: Jul 19th, 2010, 2:58pm »

Space Weather Turns into an International Problem

http://science.nasa.gov/science-news/science-at-nasa/2010/16jul_ilws/
Quote:
July 16, 2010: Sometimes a problem is so big, one country cannot handle it alone.

That's the message scientists are delivering at today's International Living with a Star (ILWS) meeting in Bremen, Germany, and representatives from more than 25 of the world's most technologically-advanced nations have gathered to hear what they have to say.

"The problem is solar storms—figuring out how to predict them and stay safe from their effects," says ILWS Chairperson Lika Guhathakurta of NASA headquarters. "We need to make progress on this before the next solar maximum arrives around 2013."

The sun and Earth are separated by 93 million miles of space—a seemingly safe distance. But since the Space Age began, and especially in recent years, there has been a growing realization that 93 million miles really isn't so far apart. Spacecraft and ground-based observatories have shown that Earth is located in the sun's outer atmosphere, buffeted by solar winds and pelted by hail storms of energetic particles. Moreover, the two bodies are actually connected by invisible threads of magnetism. During "reconnection events," which typically happen several times a day, you can trace invisible lines of force all the way from Earth's poles to the surface of the sun.

"The Earth and sun are interconnected. We cannot study them separately anymore," says Guhathakurta.

A few years ago, scientists coined the term "heliophysics" to describe the emerging science of the sun-Earth system. As a nod to the importance of the topic, NASA has set up a dedicated Heliophysics Division at HQ in Washington DC, and the United Nations declared 2007 the "International Heliophysical Year" (IHY) in hopes of spurring global involvement in this new field.

Predicting solar activity is a complicated problem, akin in some ways to terrestrial weather forecasting but multiplied in difficulty by the thorny physics of solar plasma and magnetism. Predicting the sun is only half the problem, though; the other half is Earth. How our planet's magnetic field and atmosphere respond to any given solar storm is a magnetohydrodynamical riddle that top scientists struggle to understand even with the aid of Earth's most powerful supercomputers. For these reasons, it is often said that space weather forecasting lags 50 years behind its terrestrial counterpart.

"We need more data--and more ideas," says Guhathakurta.

That's why, this week, she is handing over her chairmanship of ILWS to Dr. Ji Wu of the Chinese Academy of Sciences. In addition to leading the ILWS, Wu will spend the next two years harnessing the special talents of the world's most populous country for heliophysics.

"We have many scientists and lots of fresh ideas," says Wu. "China will be able to make important contributions in this area."

Another complication is volume. Heliophysics plays out on a stage which is hundreds of millions of miles wide. Simply keeping track of what's going on is a significant challenge. NASA and other space agencies have dozens of spacecraft out there, but they are spread over an enormous volume.

"Imagine trying to monitor Earth's oceans with a small number of buoys. You'd miss a lot. That's the situation we're in now with the 'ocean of space,'" says Guhathakurta.

China is about to contribute a space-buoy known as "KuaFu," named after a giant in Chinese mythology who wished to capture the sun. Kuafu will be located at the L1 Lagrange point where it will sample the solar wind upstream from Earth.

"We're putting KuaFu at a strategic point in space," says Wu. "The solar wind at L1 is an important input to many science models of the sun-Earth interaction."

When KuaFu launches it will join a growing international fleet of spacecraft dedicated to heliophysics. NASA, the European Space Agency, the Russian Federal Space Agency, the Canadian Space Agency, JAXA and China are all making significant contributions.

And just in time...

If forecasters are correct, the solar cycle will peak during the years around 2013. And while it probably won't be the biggest peak on record, human society has never been more vulnerable. The basics of daily life—from communications to weather forecasting to financial services—depend on satellites and high-tech electronics. A 2008 report by the National Academy of Sciences warned that a century-class solar storm could cause billions in economic damage.

Preparing for a "solar Katrina," launching a new science, harnessing the talents of scientists around the globe: "These are just a few of our goals for this week's meeting," says Guhathakurta.

Ambitious? Yes, but in heliophysics thinking big comes with the territory.


Read the article for more, (Check those links on the right of the page)




Sun:
SOLAR ACTIVITY: The magnetic canopy of sunspot 1087 is crackling with low-level solar flares. The biggest of the day so far, a C1-flare at 1230 UT on July 14th, caught the attention of NASA's Solar Dynamics Observatory. Click on the image to set the scene in motion:

http://www.spaceweather.com/swpod2010/14jul10/ar1087.mpg

On the Richter scale of solar flares, C-class eruptions are considered small---and indeed they have little effect on Earth. But consider the following: A typical C-flare packs as much punch as 100 million atomic bombs. It's a good thing we're 93 million miles away.

SINUOUS BEAUTY: Sunspot 1087 is developing into a behemoth many times wider than Earth. It now has dozens of dark cores with a long magnetic filament snaking among them. "What amazing active region!" says Britta Suhre who sends this picture from her backyard observatory in Rosenheim, Germany:

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http://www.spaceweather.com/swpod2010/09jul10/c3flare.mpg

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Last week:
EMERGING ACTIVE REGION: An active region is emerging over the sun's northeastern limb. It appears to be the remains of old sunspot 1082, but unlike a genuine corpse, these remains are animated. The region is crackling with low-level solar flares. Click on the image to view a C-class eruption:
http://www.spaceweather.com/swpod2010/09jul10/activeregion.mpg

NASA's Solar Dynamics Observatory recorded the movie around 2200 UT on July 8th. The blast produced not only an ultraviolet flash of light, but also a coronal mass ejection (CME). The cloud is not heading for Earth, however, so we will experience no effects from the event.





So, last week there was a solar eclipse. Here is a gallery!
http://www.spaceweather.com/eclipses/gallery_11jul10.htm


Other news:

Nasa finds a planet with a tail:
http://www.telegraph.co.uk/science/space/7894738/Nasas-Hubble-Space-Telescope-discovers-superheated-planet-with-comet-tail.html


More single star systems found! (not just us in the Sagittarius dwarf galaxy)
http://www.newscientist.com/article/dn19189-single-star-count-ups-odds-of-et.html

Most powerful Xray blast found from distant galaxy:
http://www.newscientist.com/article/dn19187-deep-space-xray-flash-is-most-powerful-ever-recorded.html

More to come. sorry so late with an update.
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xx Re: *The Solar News Thread* 56kers beware..
« Reply #217 on: Jul 24th, 2010, 11:09am »

VERY STRONG SOLAR FLARES AND PROTON SUNSPOT PAST FEW DAYS. Check spaceweather.com for details. I'll post tonight about it though.. just letting you know now.
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xx Re: *The Solar News Thread* 56kers beware..
« Reply #218 on: Jul 24th, 2010, 1:15pm »

Strong flares with possible .... X class... So far just C class.. *whew* but it has already caused some problems.

ULTRAVIOLET SUNSPOT: Sunspot 1089 is churning out a lot of extreme ultraviolet (EUV) photons. Witness this EUV image taken just hours ago by the Solar Dynamics Observatory:

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Extreme high res:
http://www.spaceweather.com/swpod2010/21jul10/ar1089.jpg

The bright glow comes from hot (80,000 K) plasma trapped by the sunspot's magnetic field. All by itself, this one 'hot spot' is lifting the EUV brightness of the entire sun toward a high point for the year. EUV photons from sunspot 1089 are absorbed in Earth's upper atmosphere where they heat the rarefied air and help reverse the recent collapse of the thermosphere.

(Story)
http://science.nasa.gov/science-news/science-at-nasa/2010/15jul_thermosphere/

Quote:
July 15, 2010: NASA-funded researchers are monitoring a big event in our planet's atmosphere. High above Earth's surface where the atmosphere meets space, a rarefied layer of gas called "the thermosphere" recently collapsed and now is rebounding again........


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This sunspot group is also visible with the naked eye.... at sunset..


KITT PEAK SUNSET: Sunspot 1089 has grown so large, it can now be seen without the aid of a specialized solar telescope. Yesterday, Gil Esquerdo "spotted it" as the sun set over Kitt Peak, Arizona:
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Yesterday in the San Bernardino mountains of southern California, a man looked at the sky and saw this:
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The phenomenon is called iridescence. Tiny water droplets and ice crystals in clouds diffract sunlight, producing pastel hues of surpassing beauty. Mountain wave clouds are notorious for this kind of display.


(What this means) Sun is burning so hot it is evaporating the water droplets in clouds causing a rainbow prism pattern to be seen. ODD




Also, Here is a new gallery of the sun:
http://www.bbso.njit.edu/cgi-bin/LatestImages



Related to the sun:

Enjoying the Heat Wave? It is across the country now, it is 105 here in TN.. I heard on the news yesterday that over two thousand cows died in Kansas yesterday from the intense heat. Look out guys..
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xx Re: *The Solar News Thread* 56kers beware..
« Reply #219 on: Jul 26th, 2010, 8:36pm »

SUNSET PLANETS: Mars and Saturn are converging with Venus to form a skinny triangle in the sunset sky. When the sun sets tonight, go outside and look west. Venus pops out of the twilight first, followed by Saturn, then Mars. Dates of note include July 30th and 31st when Saturn and Mars are only 2o apart

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The Sun:
SUNSPOT 1089: The two dark cores of sunspot 1089 are each larger than Earth, and the whole region is criss-crossed by dark magnetic filaments. It's a photogenic ensemble:
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Although sunspot 1089 is big, it has not yet produced any flares of consequence. Perhaps it is gathering energy for a good eruption.

A challenger appears:
OVER THE HORIZON: Something bright and active on the far side of the sun is about to turn toward Earth. Magnetic loops towering over the eastern limb herald its approach:
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Extreme high res:
http://www.spaceweather.com/swpod2010/26jul10/overthehorizon.jpg

NASA's Solar Dynamics Observatory took this picture during the early hours of July 26th. The bright glow revealed by SDO's extreme ultraviolet camera comes from million-degree plasma trapped by overlying magnetic fields. A sunspot is likely at the bottom of it all.

Or maybe two sunspots... NASA's STEREO-B spacecraft is stationed over the sun's eastern limb, and it sees a pair of active regions approaching single file. The one peeking over the limb now is actually the smaller of the two.
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More about SDO
http://www.nasa.gov/mission_pages/sdo/news/briefing-materials-20100421.html




Star with largest mass found:
http://www.bbc.co.uk/news/science-environment-10707416
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Now remember, thats only MASS... not size... Lets not forget about Canis Majoris
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xx Re: *The Solar News Thread* 56kers beware..
« Reply #220 on: Jul 27th, 2010, 9:30pm »


In the news today:

I have always said that solar alignments (with or with out the moon) might cause quakes here on earth. Well, sort of related - a new phenomenon! Space Quakes.. don't laugh... I almost did..

Spacequakes Rumble Near Earth
http://science.nasa.gov/science-news/science-at-nasa/2010/27jul_spacequakes/
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Even though it doesn't say there IS a real relation to quakes on earth and things in space.. I think it is one step closer for scientists to realize and prove it. Everything is related.... and I mean everything

On the Sun today...
2 C2 class solar flares.
http://sdo.gsfc.nasa.gov/assets/img/dailymov/2010/07/26/20100726_1024_0304.mpg
The left side rotating into view is where it came from.

Odd thing I'm keeping track of: Space Weather.com had the story up first but then they took it down. I did some searching and found the videos on SDOs website:
http://sdo.gsfc.nasa.gov/
But apparently that SMALL solar flare kinda messed up the SDO for a little bit. They had to to perform a bakeout on the SDO which involves resetting some of the software and letting the SDO get back to a normal temperature. Odd though... from such a small flare.

While I was searching I came across 2 other articles you might find interesting:

Electronic Armageddon? Congress Worries That Solar Flares Could Spell Disaster
http://www.foxnews.com/scitech/2010/06/10/electronic-armageddon-solar-flares-disaster/

Nasa's 2013 solar flare warning: how much do we need to worry?
http://blogs.telegraph.co.uk/culture/tomchivers/100008500/nasas-2013-solar-flare-warning-how-much-do-we-need-to-worry/
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xx Re: *The Solar News Thread* 56kers beware..
« Reply #221 on: Jul 28th, 2010, 9:21pm »

This just in:
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SOLAR ACTIVITY: Readers with solar telescopes, train your optics on the sun's northeastern limb. A big sunspot with an active magnetic canopy is emerging there. And that's not all...

Today around 1200 UT, magnetic fields looping over the sun's southeastern limb became unstable and erupted. The blast produced a towering prominence dozens of times taller than Earth itself:

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High Res:
http://www.spaceweather.com/submissions/pics/a/Alan-Friedman-tallest_of_allest_1280346685.jpg
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xx Re: *The Solar News Thread* 56kers beware..
« Reply #222 on: Aug 2nd, 2010, 9:44pm »

BIG EVENTS ON THE SUN: This morning around 0855 UT, Earth orbiting satellites detected a C3-class solar flare. The origin of the blast was sunspot 1092. At about the same time, an enormous magnetic filament stretching across the sun's northern hemisphere erupted. NASA's Solar Dynamics Observatory recorded the action

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http://sdowww.lmsal.com/sdomedia/ssw/ssw_client/data/ssw_service_100801_043733_25581681/www/ssw_cutout_20100801_070003_aia_304__20100801_070002_m.mpg

The timing of these events suggest they are connected, and a review of SDO movies strengthens that conclusion. Despite the ~400,000 km distance between them, the sunspot and filament seem to erupt together; they are probably connected by long-range magnetic fields. In this movie (171 ), a shadowy shock wave (a "solar tsunami") can be seen emerging from the flare site and rippling across the northern hemisphere into the filament's eruption zone. That may have helped propel the filament into space.

http://sdowww.lmsal.com/sdomedia/ssw/ssw_client/data/ssw_service_100801_043733_25581681/www/ssw_cutout_20100801_070001_aia_171__20100801_070000_m.mpg


In short, we have just witnessed a complex global eruption involving almost the entire Earth-facing side of the sun.

A coronal mass ejection (CME) produced by the event is heading directly for Earth: SOHO movie. High-latitude sky watchers should be alert for auroras when it arrives on or about August 3rd.
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xx Re: *The Solar News Thread* 56kers beware..
« Reply #223 on: Aug 2nd, 2010, 11:08pm »

watch

http://www.lmsal.com/%7Eschryver/Public/AIA/AIA-211-193-171_20100801T000029_305s.mov



oooooooooo
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xx Re: *The Solar News Thread* 56kers beware..
« Reply #224 on: Aug 3rd, 2010, 8:00pm »

INCOMING!


CME Headed our way tonight!

http://www.swpc.noaa.gov/SWN/index.html

http://news.discovery.com/space/incoming-the-sun-unleashes-cme-at-earth.html

Quote:
CME IMPACT! The first of possibly two incoming CMEs hit Earth's magnetic field today at approximately 1730 UT (1:30 pm EDT). As a result of the impact, a polar geomagnetic storm is brewing. High-latitude sky watchers should be alert for auroras after nightfall.


-AppliesSunscreenBird!
« Last Edit: Aug 3rd, 2010, 8:13pm by Yardbird » User IP Logged

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