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Spitzer: evidence of planetary collision around HD 172555

  • mjc
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7 years 8 months ago #80223 by mjc
http://www.spitzer.caltech.edu/Media/releases/ssc2009-16/release.shtml

Obtained through spectrographic detection of amorphous silica around the young (12 million years old) star.

They estimate collision occured within past few thousand years.

Might interest.

Mark

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7 years 8 months ago #80227 by dave_lillis
A 12 milion year old star, practically newborn.
I suppose the star has a planetary system in formation, so collisions are not unexpected, it s a cool catch to get all the same !

Dave L. on facebook , See my images in flickr
IFAS Rep. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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