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French skywatcher Jean-Pierre Brahic took this photo of the violent solar flare from the sunspot 1302 on the sun's surface on Sept. 22, 2011. Earth is superimposed for scale.
Space Weather, Solar Flares & Sun Storms: Latest News
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COUNTDOWNS
Star Trek Tech
The Top 10 Star Trek Technologies
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INFOGRAPHICS
Infographic: How NASA could use an old spy satellite as a Mars-orbiting space observatory
A Space Telescope Around Mars? How Old Spy Satellite Tech Could Do It (Infographic)
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WALLPAPERS
NGC 3603 nebula space wallpaper
Stellar Life Cycle | Space Wallpaper
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Human Spaceflight
NASA Administrator Visits JSC
US Spaceflight Ambitions Must Face Budget Reali...
The agency must take a realist attitude to what can be done with little money, Bolden said.
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Private Spaceflight
Inspiration Mars Foundation's Spacecraft
Private Mars Flyby Mission Ponders NASA & Comme...
Inspiration Mars may use a SpaceX rocket, a pair of ULA boosters, or NASA's SLS.
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Science & Astronomy
X1.2 Class Solar Flare May 14, 2013
Fallout from Huge Solar Flare Sideswipes Earth ...
The eruption shouldn't pose a threat to Earth but may supercharge northern lights displays.
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Search For Life
Kepler-62f Exoplanet
Congress to Discuss Search for 'Alien Earths' T...
Congress wants an update on the search for planets like our own.
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Skywatching
Mountains on the Northern Half of the Moon Sky Map
Best Time to See Moon Mountains in May Is Now
The mountains of the moon are visible for those that wish to see them this month.
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Tech
Green Rocket Propellant
New Rocket Fuel Helps NASA 'Go Green'
By 2015 there'll be something green in space, and it won't be aliens!
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Reference
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The youngest exoplanet yet discovered is less than 1 million years old.
More than 800 extrasolar planets have been discovered.
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On Feb. 13th at 1738 UT, sunspot 1158 unleashed the strongest solar flare of the year so far, an M6.6-category X-ray irradiance magnitude blast. NASA's Solar Dynamics Observatory recorded an intense flash of extreme ultraviolet radiation. The source of th
The sun's unceasing activity affects our planet beyond providi...
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Skywatcher James Tse snapped this view of the partial solar eclipse on Nov. 25, 2011 from Christchurch, New Zealand.
Total solar eclipses are one of Nature’s grandest events. What...
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Astronomers use the huge Arecibo Observatory, a radio telescope in Puerto Rico, to study the close flyby of Earth by asteroids.
Arecibo Observatory has been used to send a SETI message as we...
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Hubble Finds Dark Matter Ring in Galaxy Cluster
Dark matter emits no light, and cannot be directly observed, b...
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Dark Energy Mystery Illuminated By Cosmic Lens
Dark energy is a mysterious quantity that makes up, along with...
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