Physical science news

Shape matters in black hole growth

Tags: Astronomy

Galaxy Zoo classifications of local galaxies indicate that active elliptical galaxies are markedly different from those with more disk-like or spiral shapes.

Single-Photon Cooling: Making Maxwell's Demon

Tags: Physics

Maxwell's demon inspires a cooling technique for a gas of atoms using single photons and a magnetic trap.

Surf's up!: How rafting lemurs colonized Madagascar

Computer simulations indicate that the past currents around Madagascar would have allowed the migration of mammals to the island.

First steps in direct exoplanet spectroscopy

Tags: Astronomy

Astronomers have been able to obtain the first direct spectrum of an exoplanet.

Most Detailed Photo of Star Ever

Tags: Astronomy

Interferometry allows a team of astronomers to obtain for the first time a snapshot of the actual surface of a distant star outside of our solar system.

Could P/2010 A2 be the First Ever Observation of an Asteroid Collision?

Tags: Astronomy

P/2010 A2 is an odd comet orbiting around the asteroid belt.

No, a nearby supernova won’t wipe us out

Tags: Astronomy

Ultraviolet observations and new models indicate that the relatively nearby T Pyxidis could go supernova relatively soon.

Most Earthlike Exoplanet Started out as Gas Giant

Tags: Astronomy

The most earthlike planet yet found around another star may be the rocky remains of a Saturn-sized gas giant.

Has Kepler Discovered a New Class of Celestial Object?

Tags: Astronomy

Kepler has discovered a planet-like object that seems to be hotter than its parent star.

Monster black hole devours dead star

Tags: Astronomy

The Chandra X-ray Observatory detects a black hole ripping apart a star.

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