News tagged with galaxies

DRAGNs in the sky

A radio galaxy is a galaxy that emits large amounts of radio waves. They were first discovered in the 1950s, but it wasn't until the 1960s when a technique known as aperture synthesis was developed that we ...

Sep 09, 2014
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Image: Starbursting in the galaxy M82

(Phys.org) —Messier 82 (M82), the galaxy in which the nearest supernova in decades recently exploded, also is the closest galaxy that is undergoing a rapid burst of star formation, known as a starburst. ...

Feb 03, 2014
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Explainer: How astronomers find exoplanets

Astronomers didn't know, 20 years ago, whether planets existed around any stars other than the Sun. All that changed in 1995 with the discovery of an exoplanet orbiting the star 51 Pegasi. And by the beginning of 2014, ...

Mar 13, 2014
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Hubble monitors supernova in nearby galaxy M82

This is a Hubble Space Telescope composite image of a supernova explosion designated SN 2014J in the galaxy M82. At a distance of approximately 11.5 million light-years from Earth it is the closest supernova ...

Feb 26, 2014
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Image: Pulsar encased in a supernova bubble

(Phys.org) —Massive stars end their lives with a bang: exploding as spectacular supernovas, they release huge amounts of mass and energy into space. These explosions sweep up any surrounding material, creating ...

Jun 02, 2014
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Image: Magnifying the distant universe

(Phys.org) —Galaxy clusters are some of the most massive structures that can be found in the Universe—large groups of galaxies bound together by gravity. This image from the NASA/ESA Hubble Space Telescope ...

Apr 01, 2014
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Chandra captures galaxy sparkling in X-rays

(Phys.org) —Nearly a million seconds of observing time with NASA's Chandra X-ray Observatory has revealed a spiral galaxy similar to the Milky Way glittering with hundreds of X-ray points of light.

Jun 03, 2014
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Astronomers unveil secrets of giant elliptical galaxies

New findings of how giant elliptical galaxies move have been discovered by an international team of astronomers using the newly installed Multi Unit Spectroscopic Explorer (MUSE) at the European Southern Observatory's (ESO) ...

Sep 12, 2014
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Reinterpreting dark matter

Tom Broadhurst, an Ikerbasque researcher at the University of the Basque Country (UPV/EHU), has participated alongside scientists of the National Taiwan University in a piece of research that explores cold ...

Jul 02, 2014
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