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What kinds of stars form rocky planets?

As astronomers continue to find more and more planets around stars beyond our own Sun, they are trying to discover patterns and features that indicate what types of planets are likely to form around different kinds of stars. ...

dateDec 03, 2015 in Astronomy
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Cosmic 'Death Star' is destroying a planet

The Death Star of the movie Star Wars may be fictional, but planetary destruction is real. Astronomers announced today that they have spotted a large, rocky object disintegrating in its death spiral around a distant white ...

dateOct 21, 2015 in Astronomy
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The minimum mass of a proto-solar system disk

Astronomers estimate that at the time the Solar system formed, its proto-planetary disk contained the equivalent of about twenty Jupiter-masses of gas and dust. This so-called "minimum mass solar nebula (MMSN)" is derived ...

dateOct 19, 2015 in Astronomy
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