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?

Jul 26, 2013
3.2 / 5 (21) 0 | with audio podcast

New Greek observatory sheds light on old star

(Phys.org)—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 ...

Feb 28, 2013
3 / 5 (2) 0

A cool discovery about the Sun's next-door twin

(Phys.org)—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 ...

Feb 20, 2013
4.8 / 5 (9) 3 | with audio podcast