European Space Agency

First stars formed even later than previously thought

ESA's Planck satellite has revealed that the first stars in the Universe started forming later than previous observations of the Cosmic Microwave Background indicated. This new analysis also shows that these stars were the ...

dateAug 31, 2016 in Astronomy
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Rosetta catches dusty organics

Rosetta's dust-analysing COSIMA (COmetary Secondary Ion Mass Analyser) instrument has made the first unambiguous detection of solid organic matter in the dust particles ejected by Comet 67P/Churyumov-Gerasimenko, in the form ...

dateSep 08, 2016 in Space Exploration
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Image: Star Mapper visualisation

In 1989, ESA launched the first space mission dedicated to astrometry – the science of charting the sky. The satellite was named Hipparcos, echoing the name of ancient Greek astronomer, Hipparchus, who compiled the oldest ...

dateSep 13, 2016 in Astronomy
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Hubble views a cosmic oyster and pearl in NGC 1501

The world is your oyster, as the expression goes – and the NASA/ESA Hubble Space Telescope, with its advanced instruments and favourable location in orbit above Earth's atmosphere, has far more of the Universe to explore ...

dateSep 07, 2016 in Astronomy
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An atypical protostar

At the centre of this image, captured by ESA's Herschel space observatory, is a truly peculiar cosmic object: a star named IRAS 19312+1950.

dateAug 30, 2016 in Astronomy
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