Monday 6 August 2018

NASA's Planet-hunting TESS catches a comet before starting science

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Before NASA's Transiting Exoplanet Survey Satellite (TESS) started science operations on July 25, 2018, the planet hunter sent back a stunning sequence of serendipitous images showing the motion of a comet.
via Science Daily
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Oldest-ever igneous meteorite contains clues to planet building blocks

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Scientists believe the solar system was formed some 4.6 billion years ago when a cloud of gas and dust collapsed under gravity possibly triggered by a cataclysmic explosion from a nearby massive star or supernova. As this cloud collapsed, it formed a spinning disk with the sun in the center. Since then scientists have been able to establish the formation of the solar system piece by piece.
via Science Daily
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Dusty deities

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Space Science Image of the Week: Rosetta spent two years mapping the dusty, uneven surface of its celestial target, Comet 67P/Churyumov-Gerasimenko
via ESA Space Science
http://www.esa.int/ESA_Multimedia/Images/2018/08/Comet_horizon

Aiming for the Stars, and a Chunk of Rock, in Senegal

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On a mission to improve science education, the country got a lift with the arrival of an international team of astronomers viewing the far reaches of space.
via New York Times