News tagged with galaxies

Image: X-raying the cosmos

When we gaze up at the night sky, we are only seeing part of the story. Unfortunately, some of the most powerful and energetic events in the Universe are invisible to our eyes – and to even the best optical ...

Apr 22, 2014
4.7 / 5 (7) 0

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
3.8 / 5 (10) 0

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
4.6 / 5 (5) 0

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
4.3 / 5 (9) 0

Where is Earth located in the galaxy?

You've probably heard the saying "everything's relative". When you consider our place in the Universe, everything really is relative. I'm recording this halfway up Vancouver Island, in the Pacific Ocean, ...

Feb 18, 2014
3.5 / 5 (46) 12

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
4.9 / 5 (8) 0

Image: The NGC 5194 spiral galaxy

The Whirlpool Galaxy, also known as M51 or NGC 5194, is one of the most spectacular examples of a spiral galaxy. With two spiral arms curling into one another in a billowing swirl, this galaxy hosts over ...

Jan 28, 2014
5 / 5 (9) 0