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Space Forum / Shuttle / December 2006COSMIC DUST
How often is the Shuttle checked over for Cosmic dust/ray penetration,and does it pose a threat however small to the crew or to the vehicles intregrity ? More to the point, when does particle become dust and dust become too large to be called dust. As astronauts were outside during the Geminid shower, I don't think the perceived danger is great, but then, we have been proved wrong before with foam not being a hazard, so who knows. I think the suits and presumably the station and Shuttle have some kind of micrometeorite protection. Interesting then that they feel the need this next year to add additional micrometeorite protection to selected parts of the Russian segment. Brian  SignatureBrian Gaff - briang1@blueyonder.co.uk Note:- In order to reduce spam, any email without 'Brian Gaff' in the display name may be lost. > How often is the Shuttle checked over for Cosmic dust/ray > penetration,and does it pose a threat however small to the crew or to > the vehicles intregrity ? > More to the point, when does particle become dust and dust become too large > to be called dust. [quoted text clipped - 17 lines] > > the vehicles intregrity ? > >Many thanks for your response Brian.I seem to recall watching a documentary on Cosmic Dust and they showed the cross section of an astronauts space helmet which had been penetrated.It was quite an alarming sight but what is more remarkable is that the dust had also passed through the astronauts skull and brain.I know we are talking microns,but surely that can`t be healthy for anyone. > Interesting then that they feel the need this next year to add > additional micrometeorite protection to selected parts of the Russian > segment. That perception has been there for a long time; it's nothing new. SignatureJRF Reply-to address spam-proofed - to reply by E-mail, check "Organization" (I am not assimilated) and think one step ahead of IBM. |
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