News tagged with satellite

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nasa · space · launch · earth · orbit

Scuttling satellites to save space

It takes a lot of ingenuity – not to mention a massive quantity of sheer force – to get satellites into orbit. Now space engineers are applying comparable ingenuity to the challenge of getting their missions ...

14 hours ago
not rated yet 0

Cluster satellite successfully shifts orbit

One of the four Cluster satellites has shifted its orbit to ensure a safe reentry when the time comes, as well as providing a rare opportunity to study how a satellite's exhaust plume interacts with the solar ...

Mar 25, 2015
5 / 5 (1) 0

Arctic sea ice hits record low

Arctic sea ice has reached its lowest winter point since satellite observations began in the late 1970s, raising concerns about faster ice melt and rising seas due to global warming, US officials said Thursday.

Mar 19, 2015
3.8 / 5 (15) 23

Cosmic bumps on cosmic ripples

In 1969, the astrophysicists Rashid Sunyaev and Yakov Zel'dovich realized that the then recently discovered cosmic microwave background radiation (CMBR) would be distorted by hot cosmic gas. Hot electrons ...

Mar 13, 2015
4.6 / 5 (12) 1