The Dork Lord
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Wed Jul 9,
Troll Kingdom
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Nascent Drama
- Thread starter Bickendan
- Start date
The Dork Lord
Whipping Boy
1:15 PM ET
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The Dork Lord
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The Dork Lord
Whipping Boy
AFP/File Photo: A full moon. The ancient astronomers once deemed the Moon, to be awash with water...
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Water has been found conclusively for the first time inside ancient moon samples brought back by Apollo astronauts.
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The discovery may force scientists to rethink the lunar past and future, although uncertainty remains about how much water exists and whether future explorers could extract it.
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The water was found inside volcanic glass beads, which represent solidified magma from the early moon's interior.
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The news swept through much of the scientific community even before being detailed in the journal Nature this week.
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"This really appears to have changed the rules of the game," said Robin Canup, astrophysicist and director of the Southwest Research Institute in Boulder, Colo., who was not part of the team that made the discovery.
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"The assumption has been that the moon is dry."
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Revising lunar history
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Scientists have long assumed the moon was dry because of its violent birth roughly 4.5 billion years ago.
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The leading theory holds that a Mars-sized planet smashed into Earth and tore off molten pieces that eventually formed into the moon.
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Most scientists thought that any water in the developing lunar body would have vaporized and been lost to space.
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"If there was a lot of water in the early moon, then that is new for sure," said Ben Bussey, a planetary scientist at the Johns Hopkins University Applied Physics Laboratory who also was not involved in the new study.
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"People will have to think about that when they think about how the moon evolved."
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The earlier thinking about the moon's lack of water meant researchers struggled to even get funding to search for counter-evidence.
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"I thought that if we were really lucky we would get to see it," said Alberto Saal, a geochemist at Brown University and lead author on the Nature study.
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"Like everybody else, I was thinking our chances were low."