News tagged with astronomer

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Professional and amateur astronomers join forces

(Phys.org) —Long before the term "citizen science" was coined, the field of astronomy has benefited from countless men and women who study the sky in their spare time. These amateur astronomers devote hours ...

Apr 24, 2014
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How many moons does Venus have?

There are dozens upon dozens of moons in the Solar System, ranging from airless worlds like Earth's Moon to those with an atmosphere (most notably, Saturn's Titan). Jupiter and Saturn have many moons each, ...

Apr 23, 2014
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How far are the planets from the Sun?

The eight planets in our solar system each occupy their own orbits around the Sun. They orbit the star in ellipses, which means their distance to the sun varies depending on where they are in their orbits. ...

Apr 22, 2014
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Explainer: How astronomers find exoplanets

Astronomers didn't know, 20 years ago, whether planets existed around any stars other than the Sun. All that changed in 1995 with the discovery of an exoplanet orbiting the star 51 Pegasi. And by the beginning of 2014, ...

Mar 13, 2014
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Image: Super dry day at ESO Paranal

On 5 July 2012, a plume of Antarctic air descended over the European Southern Observatory's Paranal site in Chile. The home of the Very Large Telescope, Paranal is 2635 m above sea level and is almost always ...

Feb 03, 2014
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