News tagged with planetary nebula

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New molecules around old stars

( —Using ESA's Herschel space observatory, astronomers have discovered that a molecule vital for creating water exists in the burning embers of dying Sun-like stars.

dateJun 17, 2014 in Astronomy
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How stellar death can lead to twin celestial jets

( —Astronomers know that while large stars can end their lives as violently cataclysmic supernovae, smaller stars end up as planetary nebulae – colorful, glowing clouds of dust and gas. In recent decades these ...

dateFeb 12, 2014 in Astronomy
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Has graphene been detected in space?

( -- A team of astronomers, using the Spitzer Space Telescope, have reported the first extragalactic detection of the C70 fullerene molecule, and the possible detection of planar C24 ("a piece of graphene") in ...

dateAug 11, 2011 in Astronomy
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A New Method of Estimating Stellar Distances

( -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen and is in its mature ...

dateDec 21, 2009 in Astronomy
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