News tagged with ultraviolet radiation

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The Ring Nebula

The diversity of colours, shapes, and sizes of planetary nebulae make them fascinating objects. In this photo release Calar Alto presents a rather unique view combining both optical and near-infrared data of the Ring Nebula ...

dateNov 02, 2009 in Astronomy
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Dry run for the 2020 Mars mission

(Phys.org) —A film director looking for a location where a movie about Mars could be shot might consider the Atacama Desert, one of the harshest landscapes the planet has to offer. Due to the accidents of its geography, ...

dateJun 25, 2013 in Space Exploration
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Why NASA studies the ultraviolet sun

(Phys.org) —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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Hubble observes a dwarf galaxy with a bright nebula

(Phys.org) -- 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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Recipe for water: Just add starlight

ESA's (European Space Agency) Herschel infrared space observatory has discovered that ultraviolet starlight is a key ingredient for making water in the atmosphere of some stars. It is the only explanation for why a dying ...

dateSep 01, 2010 in Astronomy
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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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