The Andromeda galaxy is one of the most distant objects that we can see in the night sky with the naked eye. The light that we see now left there 2.5 million years ago. While this might seem a lot, in practice it is in our ...
Space Exploration
Aug 18, 2015
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The center of our Milky Way galaxy is a wondrous place full of huge star clusters, dust clouds, magnetic filaments and a supermassive black hole. But it can be a confusing place, too, posing challenges to astronomers trying ...
Astronomy
Jan 7, 2013
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(Phys.org) —ESA's Herschel space observatory is expected to exhaust its supply of liquid helium coolant in the coming weeks after spending more than three exciting years studying the cool Universe.
Space Exploration
Mar 5, 2013
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Galaxies in the early universe grew fast by rapidly making new stars. Such prodigious star formation episodes, characterized by the intense radiation of the newborn stars, were often accompanied by fireworks in the form of ...
Astronomy
Sep 28, 2012
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(PhysOrg.com) -- This enormous section of the Milky Way galaxy is a mosaic of images from NASA's Wide-field Infrared Survey Explorer, or WISE. The constellations Cassiopeia and Cepheus are featured in this 1,000-square degree ...
Astronomy
Jan 10, 2012
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(Phys.org) —New views from NASA's Spitzer Space Telescope show blooming stars in our Milky Way galaxy's more barren territories, far from its crowded core.
Astronomy
Jun 5, 2013
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(PhysOrg.com) -- Samir Salim has a lot of space to fit into a new NASA-funded database; about 11 million galaxies of it would be a ballpark estimate based on the number of galaxies for which distances can be estimated to ...
Astronomy
Nov 21, 2011
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(Phys.org)—Galaxies come in all shapes and sizes: from those with compact fuzzy bulges or central bars to galaxies with winding spiral arms. Astronomer Edwin Hubble classified these different breeds of galaxies by means ...
Astronomy
Nov 19, 2012
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The cosmos is filled with color, and color is a key in determining age, chemical composition and how far objects are from Earth. To help identify these colors and objects the James Webb Space Telescope will be using a spectrograph ...
Space Exploration
Mar 30, 2010
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After completing its primary mission to map the infrared sky, NASA's Wide-field Infrared Survey Explorer, or WISE, has reached the expected end of its onboard supply of frozen coolant. Although WISE has 'warmed up,' NASA ...
Space Exploration
Oct 4, 2010
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