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For night reentry, the shuttle would have patches of ablative epoxy mixed with various chemicals and/or aluminum shavings attached to the bottom tiles. The epoxies would ablate at different temperatures and you could go from a blazing strontium chloride red to a beautiful copper sulfate blue/green, blending
into a lovely sodium yellow and add sparkles from aluminum powder.
Just for us earthbound viewers.
STS-124 Live Feed
http://playlist.yah...9080&segment=149773
Requires Windows Media Player® [Klaatu, May 31 2008]
Where is the Shuttle?
http://spaceflight..../realdata/tracking/
Track it here [Klaatu, May 31 2008]
SkyTyping
http://www.skytyping.com/
[Klaatu, May 31 2008]
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Annotation:
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...and if it did burn up on reentry, it could go out with a bang in a display of fireworks! Oh, um, wait a moment... |
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<Gary Larson> Unbeknownst to the crew Houston were hoping for a critical re-entry failure to show the world the *mother* of all roman candles. </GL> |
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[edit] Sorry DrC, must have had a concurrent lapse of Caption Me. |
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considering the dispersion properties of the ablated material would be pretty well known, you could skywrite advertising as you re-entered. |
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//you could skywrite advertising as you re-entered.// |
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A verrry long "I"? Maybe an "S" at the end? |
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[Klaatu] the ablated stuff disperses horizontally (hmm, by the time it was dispersed enough it probably wouldnt be burning, crap) |
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[Fly'nToast'r] If you could arrange the ablative material VERY precisely, you might be able to create an effect similar to skytyping <link> |
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\
..\
....\
......\
........\
.........(+)
.
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______________________ |
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[Klaatu] Oooh, ascii art. Needs more than one re-entry per message. |
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<International corporate executive> Did we get the message across? |
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<Ad agency exec> No, but more importantly for the campaign, we got them down! |
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Thanks for that link, Klaatu. Just watching
the launch - isn't modern technology full
of acronyms? |
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[Edit - either BBC has a time machine, or
the web coverage is 90 seconds behind]. |
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//or the web coverage is 90 seconds behind// |
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It's running about 62 seconds behind. Not perfect...but, at least I don't have to listen to the announcers. |
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Did you see the debris (ice?) hit the shuttle at about T+5:43? |
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Nope - missed that (twice!). That'll mess
up the paint job again. |
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