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Rosetta, Are You Better?
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<blockquote data-quote="skomedal" data-source="post: 908422" data-attributes="member: 280388"><p>The Rosetta spacecraft has detected water coming off comet 67P, the rubber duck-shaped lump of ice and dust that it placed the Philae robotic lander on last month.</p><p></p><p>The presence of water is not a surprise, but what has wrong-footed researchers is the makeup of the water, which is nothing like that seen on Earth.</p><p></p><p>Measurements from Rosetta’s Rosina instrument found that water on comet 67P /Churyumov-Gerasimenko contains about three times more deuterium – a heavy form of hydrogen – than water on Earth.</p><p></p><p>The discovery seems to overturn the theory that Earth got its water, and so its ability to harbour life, from water-bearing comets that slammed into the planet during its early history.</p><p></p><p><a href="http://www.theguardian.com/science/2014/dec/10/water-comet-67p-earth-rosetta" target="_blank">http://www.theguardian.com/science/2014/dec/10/water-comet-67p-earth-rosetta</a></p><p></p><p>So bang goes the theory water on earth came from comets......... or what<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite9" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" /></p><p></p><p>Regards</p></blockquote><p></p>
[QUOTE="skomedal, post: 908422, member: 280388"] The Rosetta spacecraft has detected water coming off comet 67P, the rubber duck-shaped lump of ice and dust that it placed the Philae robotic lander on last month. The presence of water is not a surprise, but what has wrong-footed researchers is the makeup of the water, which is nothing like that seen on Earth. Measurements from Rosetta’s Rosina instrument found that water on comet 67P /Churyumov-Gerasimenko contains about three times more deuterium – a heavy form of hydrogen – than water on Earth. The discovery seems to overturn the theory that Earth got its water, and so its ability to harbour life, from water-bearing comets that slammed into the planet during its early history. [url]http://www.theguardian.com/science/2014/dec/10/water-comet-67p-earth-rosetta[/url] So bang goes the theory water on earth came from comets......... or what:eek: Regards [/QUOTE]
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Rosetta, Are You Better?
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