News tagged with ultraviolet radiation

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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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Pinwheeling across the sky

(Phys.org) —The face-on Pinwheel spiral galaxy is seen at ultraviolet wavelengths in this image taken by ESA's XMM-Newton space telescope.

dateJun 11, 2013 in Astronomy
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Calculate your nitrogen footprint

Carbon footprints are a familiar way to assess how green your lifestyle is, but now you can also measure your nitrogen footprint using a new tool, the N-Calculator.

dateMay 15, 2013 in Environment
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Light bursts out of a flying mirror

(Phys.org) —An international team of researchers succeeds in generating flashes of extreme ultraviolet radiation via the reflection from a mirror that moves close to the speed of light.

dateApr 24, 2013 in General Physics
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A ghostly green bubble: VLT snaps a planetary nebula

(Phys.org) —This intriguing new picture from ESO's Very Large Telescope shows the glowing green planetary nebula IC 1295 surrounding a dim and dying star located about 3300 light-years away in the constellation of Scutum ...

dateApr 10, 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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Is the ozone layer on the road to recovery?

(Phys.org)—Satellites show that the recent ozone hole over Antarctica was the smallest seen in the past decade. Long-term observations also reveal that Earth's ozone has been strengthening following international agreements ...

dateFeb 10, 2013 in Earth Sciences
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