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Image: Hubble captures galaxy PGC 18431

There are many galaxies in the universe and although there is plenty of room, they tend to stick together. The Milky Way, for example, is part of a large gathering of more than fifty galaxies known as the Local Group. Galaxy ...

dateJun 15, 2015 in Astronomy
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Hubble finds jets and explosions in NGC 7793

(Phys.org) —This new image from the NASA/ESA Hubble Space Telescope shows NGC 7793, a spiral galaxy in the constellation of Sculptor some 13 million light-years away from Earth. NGC 7793 is one of the brightest galaxies ...

dateSep 29, 2014 in Astronomy
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What is a Wolf-Rayet star?

Wolf-Rayet stars represent a final burst of activity before a huge star begins to die. These stars, which are at least 20 times more massive than the Sun, "live fast and die hard", according to NASA.

dateFeb 06, 2015 in Astronomy
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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. About 12 million ...

dateFeb 03, 2014 in Astronomy
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