Aug 31 2010

The Sounds of Stars: Ringing Like a Bell

Tag: Astrophysics, Stellar Phenomena, Stellar Physics, The SunJennifer Ouellette @ 6:11 am
Question: what is the sound of one star magnetically cycling? If it's the star affectionately known as HD 49933, it sounds for all the world like a bell ringing.

Aug 30 2010

Galactic Cannibalization Sparks Powerful Radio Galaxies

Tag: Astrophysics, Galaxies, GeminiNicole Gugliucci @ 10:51 pm
What seems to be angering the supermassive black holes inside distant, yet powerful, radio galaxies?

Aug 27 2010

Space Station Particle Detector Arrives for Launch

What may end up being the crown jewel of the International Space Station landed at the Kennedy Space Center in Florida on Thursday to begin preparations for launch on the last shuttle mission in February.

Aug 25 2010

Saturn’s Aurora Could Hold Key to Radio Pulse Mystery

Tag: Astronomy, Astrophysics, SaturnJennifer Ouellette @ 5:33 am
The Earth isn't the only planet to have aurorae. Saturn, the ringed gas giant, is also crowned with light -- but this light could explain a mystery first observed by the Voyager probes.

Aug 24 2010

Probing the Dark Side of the Universe

Tag: Astrophysics, Cosmology, Dark EnergyJennifer Ouellette @ 7:14 pm
The cosmos is expanding at an accelerated rate due to a mysterious force called dark energy. Are we getting close to understanding its true nature?

Aug 23 2010

Solar System Older Than Once Thought

Tag: Astrophysics, Meteorites, Solar SystemDiscovery News - Top Stories @ 9:00 pm
A meteorite pushes back the age of the solar by almost 2 million years.

Aug 21 2010

Raucous Active Galaxy Destroys Own Environment

Tag: Astrophysics, Chandra X-Ray Observatory, GalaxiesNicole Gugliucci @ 9:25 pm
The powerful radio source in the center of M87 is a supermassive black hole, ripping away at the heart of the galaxy.

Aug 19 2010

X-Ray Pulsar Eclipse Reveals Neutron Star’s Secrets

Tag: Astrophysics, Neutron Stars, PulsarsNicole Gugliucci @ 8:32 am
What's in a neutron star? Well, neutrons, obviously. However, despite the deceptively simple label, the inner workings of neutron stars remain elusive. But that could soon change.

Aug 17 2010

Moons of ‘Hot Jupiter’ Planets Unlikely to Exist

Giant planets have been detected in distant solar systems but most of these planets could not have Earth-like moons.

Aug 16 2010

Phantom Universe: Next Biggest Mystery

Tag: Apollo Program, Astrophysics, Cosmology, Dark Energy, Dark MatterRay Villard @ 8:27 pm
A decade ago it would have been hard to predict what would have made it to the top of the list of cosmic mysteries now confronting astronomers.

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