European Space Agency

Planck: Gravitational waves remain elusive

Despite earlier reports of a possible detection, a joint analysis of data from ESA's Planck satellite and the ground-based BICEP2 and Keck Array experiments has found no conclusive evidence of primordial gravitational waves.

dateJan 30, 2015 in Astronomy
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Rosetta measures comet's temperature

( —ESA's Rosetta spacecraft has made its first temperature measurements of its target comet, finding that it is too hot to be covered in ice and must instead have a dark, dusty crust.

dateAug 01, 2014 in Space Exploration
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Young sun's violent history solves meteorite mystery

( —Astronomers using ESA's Herschel space observatory to probe the turbulent beginnings of a Sun-like star have found evidence of mighty stellar winds that could solve a puzzling meteorite mystery in our own back ...

dateJul 01, 2014 in Astronomy
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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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