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Fred Espenak, Astrophysicist Known as Mr. Eclipse, Dies at 73
- toomuchtodo 1y agohttps://archive.today/MbMrf https://archive.today/MbMrf https://en.wikipedia.org/wiki/Fred_Espenak https://en.wikipedia.org/wiki/Fred_Espenak https://web.archive.org/web/*/https://mreclipse.com/ https://web.archive.org/web/*/https://mreclipse.com/ https://web.archive.org/web/*/https://eclipse.gsfc.nasa.gov/ https://web.archive.org/web/*/https://eclipse.gsfc.nasa.gov/