News tagged with stars

First detection of lithium from an exploding star

The chemical element lithium has been found for the first time in material ejected by a nova. Observations of Nova Centauri 2013 made using telescopes at ESO's La Silla Observatory, and near Santiago in Chile, help to explain ...

dateJul 29, 2015 in Astronomy
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Born-again planetary nebula

Beneath the vivid hues of this eye-shaped cloud, named Abell 78, a tale of stellar life and death is unfolding. At the centre of the nebula, a dying star – not unlike our Sun – which shed its outer layers on its way to ...

dateJul 28, 2015 in Astronomy
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Fossil star clusters reveal their age

Using a new age-dating method, an international team of astronomers has determined that ancient star clusters formed in two distinct epochs – the first 12.5 billion years ago and the second 11.5 billion years ago.

dateJul 27, 2015 in Astronomy
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Video: Are invisibility cloaks possible?

Have you ever wished you could hide under an invisibility cloak like Harry Potter or conceal your car with a Klingon cloaking device like in Star Trek? In a special Thursday bonus episode of Reactions, we celebrate the International ...

dateJul 23, 2015 in General Physics
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