News tagged with sky

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nasa · stars · earth

Why we need a new type of SETI instrument

Imagine this scenario: On a world orbiting a neighboring star, a society more advanced than our own has used large telescopes to survey all the planets within a few hundred light-years.  In this sample of a million worlds, ...

dateJul 18, 2017 in Astronomy
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Video: The future of the Orion constellation

Stars are not motionless in the sky: their positions change continuously as they move through our Galaxy, the Milky Way. These motions, too slow to be appreciated with the naked eye over a human lifetime, can be captured ...

dateJun 09, 2017 in Astronomy
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Image: Hubble captures a sea of spiral galaxies

While one instrument of the NASA/ESA Hubble Space Telescope observed a pair of spiral galaxies for its 27th anniversary last month, another simultaneously observed a nearby patch of the sky to obtain this wide-field view.

dateMay 02, 2017 in Astronomy
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