News tagged with outer atmosphere

How high is space?

Look up, there's space. Astronomically speaking, it's right there, just outside a thin layer of atmosphere. But how far away is it? How high is space?

dateJul 26, 2013 in Space Exploration
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New Greek observatory sheds light on old star

(—Continuing a tradition stretching back more than 25 centuries, astronomers have used the new 2.3-m 'Aristarchos' telescope, sited at Helmos Observatory (2340m high) in the Pelοponnese Mountains in Greece, to ...

dateFeb 28, 2013 in Astronomy
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A cool discovery about the Sun's next-door twin

(—ESA's Herschel space observatory has detected a cool layer in the atmosphere of Alpha Centauri A, the first time this has been seen in a star beyond our own Sun. The finding is not only important for understanding ...

dateFeb 20, 2013 in Astronomy
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