Jul 27 2011

Monster Waves Behind Sun’s Coronal Heating Mystery?

Powerful Alfvén waves have been detected deep inside the sun's atmosphere, possibly explaining why the solar atmosphere is so hot.

Jul 25 2011

The Large Magellanic Cloud is a Bit of a Bully

Tag: Astrophysics,Galaxies,Nebula,Stars,Stellar PhenomenaJennifer Ouellette @ 11:39 am
It looks like the Large Magellanic Cloud (LMC) has been poaching stars from its smaller sibling, the Small Magellanic Cloud (SMC). Bad LMC!

Jul 21 2011

The Beautiful Violence of Exoplanet Aurorae

If you think the auroral displays we have on Earth are impressive, spare a thought for aurorae erupting in the atmospheres of massive gas giant exoplanets orbiting close to their parent stars.

Jul 18 2011

Do ‘Ultracool’ Brown Dwarfs Surround Us?

Could the discovery of two neighboring brown dwarfs indicate that more of these ultracool "failed stars" are nearby?

Jun 20 2011

Spitzer Spots Protostar’s ‘Crystal Rain’

NASA's Spitzer Space Telescope has observed a strange kind of greenish "crystal rain" falling onto a protostar called HOPS-68 in the constellation Orion.

Jun 14 2011

Is the Sun About to Fizz Out?

The sun is changing, but scientists aren't sure why.

Jun 09 2011

Super-Duper Supernovas in a Class All By Themselves

Tag: Stars,Stellar Phenomena,SupernovaRay Villard @ 4:55 pm
Astronomers have uncovered a new class of objects they are calling "ultra-luminous supernovas."

Jun 08 2011

Epic Solar Flare Pops Sun’s Magnetic Cork

Early Tuesday, a powerful solar explosion kicked up a surprising amount of material, creating a huge veil of dark plasma that spectacularly rained back down on the solar surface.

Jun 07 2011

Twitter Helps Astronomers Zero-In on M51 Supernova

Q: What do you get when you combine a supernova, Twitter and a bit of luck? A: A night in Hawai'i astronomer Alex Filippenko will never forget.

Apr 11 2011

Bizarre Time Delay Discovered in Stellar Jets

Tag: Spitzer Space Telescope,Stars,Stellar Phenomena,Stellar PhysicsNicole Gugliucci @ 11:47 pm
Stellar nurseries are chock-full of energetic phenomena, it's little wonder that we are always finding new and bizarre things in star-forming regions.

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