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  #1  
Old 25-12-2017, 12:00 AM
bigjoe (Joe)
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Cassiopeia A.. Elements formed.

Spectacular image of Cassiopeia A, by the Chandra X Ray Scope showing elements being blasted into space..
http://earthsky.org/todays-image/x-r...-born-elements.
As Carl Sagan would say we are indeed Star Stuff!
bigjoe.
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  #2  
Old 25-12-2017, 04:24 AM
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Why don't we see this supernova remnant with our telescopes or even AP equipment, like the bright Eta Carinae, or the Veil Nebula ?
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  #3  
Old 25-12-2017, 11:43 AM
rally
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Chandra is an X Ray imaging platform.
Their short wavelength means most of them dont make it through the atmosphere too well

Plus not many amateur imagers using XRay sensitive cameras !
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