News tagged with ultraviolet radiation

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Embracing Orion

(Phys.org) —This new view of the Orion A star-formation cloud from ESA's Herschel space observatory shows the turbulent region of space that hugs the famous Orion Nebula.

dateAug 26, 2013 in Astronomy
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Star birth in Cepheus

(Phys.org) —Watching starbirth isn't easy: tens of millions of years are needed to form a star like our Sun. Much like archeologists who reconstruct ancient cities from shards of debris strewn over time, astronomers must ...

dateApr 01, 2013 in Astronomy
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The Helix nebula: Bigger in death than life

(Phys.org)—A dying star is refusing to go quietly into the night, as seen in this combined infrared and ultraviolet view from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX), which NASA has lent ...

dateOct 04, 2012 in Astronomy
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Base-pairing protects DNA from UV damage

Ludwig Maximilian University of Munich researchers have discovered a further function of the base-pairing that holds the two strands of the DNA double helix together: it plays a crucial role in protecting the DNA from the ...

dateSep 19, 2014 in Biochemistry
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Mutant microbes test radiation resistance

Early Earth lacked an ozone layer to act as a shield against high-energy solar radiation, but microbes flourished by adapting to or finding other forms of protection from the higher ultraviolet radiation levels. Now researchers ...

dateMar 24, 2011 in Space Exploration
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