News tagged with ultraviolet radiation

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Hubble observes a dwarf galaxy with a bright nebula

( -- The NASA/ESA Hubble Space Telescope has made detailed observations of the dwarf galaxy NGC 2366. While it lacks the elegant spiral arms of many larger galaxies, NGC 2366 is home to a bright, star-forming nebula ...

dateMay 10, 2012 in Astronomy
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Why NASA studies the ultraviolet sun

( —You cannot look at the sun without special filters, and the naked eye cannot perceive certain wavelengths of sunlight. Solar physicists must consequently rely on spacecraft that can observe this invisible light ...

dateAug 21, 2014 in Space Exploration
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Astronomers create array of Earth-like planet models

To sort out the biological intricacies of Earth-like planets, astronomers have developed computer models that examine how ultraviolet radiation from other planets' nearby suns may affect those worlds, according to new research ...

dateJun 16, 2015 in Astronomy
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Orion in a New Ligh (w/ Video)

( -- The Orion Nebula reveals many of its hidden secrets in a dramatic image taken by ESO’s new VISTA survey telescope. The telescope’s huge field of view can show the full splendour of the whole nebula and ...

dateFeb 10, 2010 in Astronomy
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Solar System Shield

Water vapor in planet-forming disks may block ultraviolet radiation from destroying water and other important molecules for life, according to new calculations.

dateJan 14, 2010 in Space Exploration
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Image: Starburst Cluster Shows Celestial Fireworks

( -- Like a July 4 fireworks display, a young, glittering collection of stars looks like an aerial burst. The cluster is surrounded by clouds of interstellar gas and dust—the raw material for new star formation. ...

dateJul 06, 2010 in Astronomy
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How oxidative stress may help prolong life

( -- Oxidative stress has been linked to aging, cancer and other diseases in humans. Paradoxically, researchers have suggested that small exposure to oxidative conditions may actually offer protection from acute ...

dateMay 29, 2009 in Genetics
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