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astro-ph2002★ 13 cited
Ozone Depletion from Nearby Supernovae
Neil Gehrels, Claude M. Laird, Charles H. Jackman +3
Estimates made in the 1970's indicated that a supernova occurring within tens of parsecs of Earth could have significant effects on the ozone layer. Since that time, improved tools…
astro-ph2002★ 14 cited
The October 1985 Long Outburst of U Geminorum: Revealing the Viscous Time Scale in Long Orbital Period Dwarf Novae
John K. Cannizzo, Neil Gehrels, Janet A. Mattei
We examine the AAVSO light curve of U Geminorum from 1908 to 2002, with particular focus on the October 1985 outburst. This outburst was longer than any other seen in U Gem by abou…