News tagged with space

Zapping away space junk

Planet Earth is surrounded. Thousands of tons of dangerous space debris circle in low orbit, threatening serious damage, even death, if any were to strike the International Space Station. A proposal by a ...

dateApr 27, 2015 in Space Exploration
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Delta Cephei's hidden companion

To measure distances in the universe, astronomers use cepheids, a family of variable stars whose luminosity varies with time. Their role as distance calibrators has brought them attention from researchers ...

dateMay 12, 2015 in Astronomy
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Video: NASA's Webb 'strutting its stuff'

The newest video in the "Behind the Webb" series, called "Strutting its Stuff," provides a look at three "struts" or poles that fold and unfold the secondary mirror on the James Webb Space Telescope. The ...

dateMay 20, 2015 in Space Exploration
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NASA image: Hubble revisits tangled NGC 6240

Not all galaxies are neatly shaped, as this new NASA/ESA Hubble Space Telescope image of NGC 6240 clearly demonstrates. Hubble previously released an image of this galaxy back in 2008, but the knotted region, shown ...

dateMay 25, 2015 in Astronomy
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