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I've read that the gas ejected during supernova explosions glows at millions of degrees; I also have read that gas is tenuous. How would a million-degree gas feel physically? Would I vaporize while flying through such a cloud? | Astronomy.com
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  • I've read that the gas ejected during supernova explosions glows at millions of degrees; I also have read that gas is tenuous. How would a million-degree gas feel physically? Would I vaporize while flying through such a cloud?
FROM THE January 2015 ISSUE

I've read that the gas ejected during supernova explosions glows at millions of degrees; I also have read that gas is tenuous. How would a million-degree gas feel physically? Would I vaporize while flying through such a cloud?

Raul Pettai, Montville, New Jersey
Published: Monday, November 24, 2014
RELATED TOPICS: SUPERNOVAE
Tycho's supernova remnant
The gas, although very hot, is far too tenuous to affect you. Earth’s outer atmosphere — hundreds of miles up — rises to 1,800° F (1,000° C) but still won’t fry an astronaut on a spacewalk.

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