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Space Science

Death Star Caught In Act, All Wet 14

Posted by timothy
from the last-words-of-a-star dept.
NaturePhotog writes: "No, it's not CNN bad-mouthing the Empire's latest creation, it's astronomers catching a dying star in the act of becoming a nebula. Radio waves emitted by water molecules helped provide the age of the event."
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Death Star Caught In Act, All Wet

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  • Re:Water molecules? (Score:2, Interesting)

    by CheshireCatCO (185193) on Thursday November 15, 2001 @09:28PM (#2572806) Homepage
    Actually, it is all probably in vapor form. It's hard to make ices in most of space, since it is rare that molecules come together to make a crystall.

    Water will not exist as a liquid in space, basically for the reasons you cite (plus, with effectively zero pressure, the water will just evaporte pretty quickly). But water vapor can exist inside the clouds of other gases, particular atomic hydrogen. Water, being such a great absorber and emitter of radiation, is really easy to spot, so we talk about it a lot.

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