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Polarisation structure of the Crab nebula (M1)

author: Caltech/Pasachoff/David Malin Images/Novapix

reference: a-snv11-00527

Clay Anderson extravehicular activity 07/2007

author: Nasa/Novapix

reference: e-is015-10102

John B. Herrington spacewalk 11-2002

author: Nasa/Novapix

reference: e-is006-01702

Tycho's supernova remnant in X-ray

author: Nasa/CXC/Sao/Novapix

reference: a-snv10-00002

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2020-09-03 Comet Neowise - The Great Comet of 2020
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Fred Espenak
A short selection to show Fred Espenak's work. To see all Fred Espenak's images write Espenak in search by author box or click here.