Related topics: galaxies · stars

Massive outburst in neighbor galaxy surprises astronomers

(Phys.org)—The surprising discovery of a massive outburst in a neighboring galaxy is giving astronomers a tantalizing look at what likely is a powerful belch by a gorging black hole at the galaxy's center. The scientists ...

Swift gamma-ray bursts—a 3D step toward standard candles

A new way to use the most powerful explosions in the Universe to calibrate its expansion has been developed by a team of researchers (Sergey Postnikov, Xavier Hernandez from Institute of Astronomy , UNAM, and Michal Ostrowski ...

The farthest supernova yet for measuring cosmic history

In 2004 the Supernova Cosmology Project based at Lawrence Berkeley National Laboratory used the Hubble Space Telescope to find a tantalizing supernova that appeared to be almost 10 billion light-years distant. But researchers ...

Armchair astronomers find planet in quadruple star system

(Phys.org)—A joint effort of citizen scientists and professional astronomers has led to the first reported case of a planet orbiting twin suns that in turn is orbited by a second distant pair of stars.

Undergraduates discover rare eclipsing double asteroid

Students in a University of Maryland undergraduate astronomy class have made a rare discovery that wowed professional astronomers: a previously unstudied asteroid is actually a pair of asteroids that orbit and regularly eclipse ...

Astronomers determine color of the Milky Way Galaxy

A team of astronomers in Pitt's Kenneth P. Dietrich School of Arts and Sciences announced today the most accurate determination yet of the color of the (aptly named) Milky Way Galaxy: "a very pure white, almost mirroring ...

Archival Hubble images reveal Neptune's 'lost' inner moon

(Phys.org) —Neptune's tiny, innermost moon, Naiad, has now been seen for the first time since it was discovered by Voyager's cameras in 1989. Dr. Mark Showalter, a senior research scientist at the SETI Institute in Mountain ...

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