News tagged with elemental composition

Survey unveils the history of galaxies

(Phys.org)—A revolutionary survey of nearby galaxies will allow scientists to map their different properties – opening the way for new understanding of the origins of life and the growth of the Milky ...

dateNov 29, 2012 in Astronomy
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Scientists discover ageing star destroys planet

(Phys.org)—An international team of astronomers has found evidence that a planet was destroyed by its ageing star. Led by Pennsylvania State University (Penn State) in the United States, the team showed ...

dateSep 21, 2012 in Astronomy
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A cluster with a secret

(Phys.org)—A new image from ESO's La Silla Observatory in Chile shows the spectacular globular star cluster Messier 4. This ball of tens of thousands of ancient stars is one of the closest and most studied ...

dateSep 05, 2012 in Astronomy
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How old are the first planets?

To build a planet you need lots of rubble and that means lots of heavy elements – stuff more massive than atoms of hydrogen and helium. The elemental composition of the collapsing nebula that gave birth ...

dateAug 31, 2012 in Astronomy
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