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APOD: X-Rays from the Perseus Cluster Core (2005 Dec 08)
Posted: Thu Dec 08, 2005 5:28 am
by GDol
Please help me. Is the distance quoted in the article from edge to edge of the given photo, or is it from some other parameter?
https://apod.nasa.gov/apod/ap051208.html
Posted: Thu Dec 08, 2005 10:48 am
by craterchains
QUOTE "Posted: Thu Dec 08, 2005 5:28 am Post subject: X-Rays from the Perseus Cluster Core
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Please help me. Is the distance quoted in the article from edge to edge of the given photo, or is it from some other parameter? "
UNQUOTE
QUOTE from article.
" This deep Chandra Observatory x-ray image spans about 300,000 light-years across the galaxy cluster core."
Norval