News tagged with suns atmosphere
Solar Dynamics Observatory to observe Venus transit
On June 5, 2012 at 6:03 PM EDT, the planet Venus will do something it has done only seven times since the invention of the telescope: cross in front of the sun. This transit is among the rarest of planetary ...
Space & Earth / Space Exploration
Jun 01, 2012 |
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Science nugget: Catching solar particles infiltrating Earth's atmosphere
(Phys.org) -- On May 17, 2012 an M-class flare exploded from the sun. The eruption also shot out a burst of solar particles traveling at nearly the speed of light that reached Earth about 20 minutes after ...
Space & Earth / Space Exploration
May 31, 2012 |
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NSO to use Venus transit to fine-tune search for other worlds
A century ago, scientists chased transits of Mercury and Venus in an effort to size up our solar system. Next week, they will use the last Venus transit for a century to learn how to size up other solar systems as we search ...
Space & Earth / Space Exploration
May 30, 2012 |
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Supersonic snowballs in hell: How comets explode, fizzle out, or survive a flight through the Sun's atmosphere
(PhysOrg.com) -- Since the 1980s astronomers have seen thousands of comets falling towards the Sun, most of them too small to survive a close approach, let alone to re-emerge. Until recently no such objects ...
Space & Earth / Space Exploration
Apr 02, 2012 |
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Solar storm dumps gigawatts into Earth's upper atmosphere
A recent flurry of eruptions on the sun did more than spark pretty auroras around the poles. NASA-funded researchers say the solar storms of March 8th through 10th dumped enough energy in Earth’s ...
Space & Earth / Space Exploration
Mar 23, 2012 |
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Large solar flares generate geomagnetic storm
A pair of unusually large solar flares early yesterday generated a Coronal Mass Ejection that will reach Earth around mid-day today. It will likely cause at least a strong geomagnetic storm that could affect ...
Space & Earth / Space Exploration
Mar 09, 2012 |
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SOHO mission 'pick of the week' hits impressive milestone
(PhysOrg.com) -- In late November, the Solar and Heliospheric Observatory's (SOHO) online "Pick of the Week" reached an impressive milestone: its 500th edition. This is an incredibly popular feature, which ...
Space & Earth / Space Exploration
Jan 05, 2012 |
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Tidal locking could render habitable planets inhospitable
Tidally-locked planets - planets with one side perpetually facing their star while the other remains shrouded in darkness - tend to be warmer on one side than the other. The presence of an atmosphere can help ...
Space & Earth / Space Exploration
Dec 09, 2011 |
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New NASA missions to investigate how Mars turned hostile
(PhysOrg.com) -- Maybe because it appears as a speck of blood in the sky, the planet Mars was named after the Roman god of war. From the point of view of life as we know it, that's appropriate. The Martian ...
Space & Earth / Space Exploration
Nov 18, 2011 |
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Hinode's first light... and five more years
(PhysOrg.com) -- On October 28, 2006, the Hinode solar mission was at last ready. The spacecraft launched on September 22, but such missions require a handful of diagnostics before the instruments can be turned ...
Space & Earth / Space Exploration
Nov 02, 2011 |
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A tool to touch the sun
A scientist at the Harvard-Smithsonian Center for Astrophysics (CfA) is leading an effort to design an instrument that would be the first to come directly into contact with the sun’s fiery atmosphere ...
Space & Earth / Space Exploration
Oct 25, 2011 |
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Space weather prediction model improves NOAA's forecast skill
NOAA is now using a sophisticated forecast model that substantially improves predictions of space weather impacts on Earth. Better forecasts offer additional protection for people and the technology-based infrastructure we ...
Space & Earth / Space Exploration
Oct 20, 2011 |
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SPICE geoengineering project delayed due to critics issues
(PhysOrg.com) -- Last month it was announced that a group of researchers had come together to start a geoengineering project called Stratospheric Particle Injection for Climate Engineering (SPICE). Its aim ...
Space & Earth / Earth Sciences
Oct 05, 2011 |
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Living in the galactic danger zone
We know for certain that life exists in the Milky Way galaxy: that life is us. Scientists are continually looking to understand more about how life on our planet came to be and the conditions that must be ...
Sep 23, 2011 |
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Image: Opportunity's heat shield
This image from 2005 shows the remains of the heat shield from NASA's Mars Exploration Rover Opportunity, broken into two key pieces, the main piece on the left side and a broken-off flank piece near the middle ...
Space & Earth / Space Exploration
Aug 17, 2011 |
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