Brown dwarf stars host powerful aurora displays, astronomers discover
Brown dwarf stars host powerful aurora displays just like planets, astronomers have discovered.
Astronomy
Jul 29, 2015
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News tagged with optical telescopes
Hubble video shows shock collision inside black hole jet
When you're blasting though space at more than 98 percent of the speed of light, you may need driver's insurance. Astronomers have discovered for the first time a rear-end collision between two high-speed knots of ejected ...
Astronomy
May 27, 2015
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Astronomers probe inner region of young star and its planets
Astronomers have probed deeper than before into a planetary system 130 light-years from Earth. The observations mark the first results of a new exoplanet survey called LEECH (LBT Exozodi Exoplanet Common Hunt), and are published ...
Astronomy
Apr 20, 2015
1
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First potentially habitable Earth-sized planet confirmed: It may have liquid water
The first Earth-sized exoplanet orbiting within the habitable zone of another star has been confirmed by observations with both the W. M. Keck Observatory and the Gemini Observatory. The initial discovery, made by NASA's ...
Astronomy
Apr 17, 2014
86
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Scientists directly image brown dwarf for the first time at Keck Observatory
(Phys.org) —A team of researchers led by Justin R. Crepp, the Freimann Assistant Professor of Physics at the University of Notre Dame, has directly imaged a very rare type of brown dwarf that can serve as a benchmark for ...
Astronomy
Jan 20, 2014
13
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Astronomers discover planet that shouldn't be there
An international team of astronomers, led by a University of Arizona graduate student, has discovered the most distantly orbiting planet found to date around a single, sun-like star. It is the first exoplanet – a planet ...
Astronomy
Dec 5, 2013
7
1
When galaxies eat galaxies: Gravitational lenses suggest big collisions make galaxies denser
(Phys.org)—Using gravitational "lenses" in space, University of Utah astronomers discovered that the centers of the biggest galaxies are growing denser – evidence of repeated collisions and mergers by massive galaxies ...
Astronomy
Oct 12, 2012
5
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X-rays discovered from young supernova remnant
(Phys.org) -- Over fifty years ago, a supernova was discovered in M83, a spiral galaxy about 15 million light years from Earth. Astronomers have used NASA's Chandra X-ray Observatory to make the first detection of X-rays ...
Astronomy
Jul 31, 2012
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Giant black hole kicked out of home galaxy
(Phys.org) -- Astronomers have found strong evidence that a massive black hole is being ejected from its host galaxy at a speed of several million miles per hour. New observations from NASA's Chandra X-ray Observatory suggest ...
Astronomy
Jun 4, 2012
6
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Taking the twinkle out of the night sky
If you are like most people, you probably enjoy the twinkling of stars that blanket the sky on a clear summer night. If you are an astronomer, chances are you find it extremely annoying.
General Physics
Aug 4, 2010
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