The supernova explosion 35,000 years ago

Details The supernova explosion 35,000 years ago The supernova explosion 35,000 years ago

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pazh...16..799k&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 16, Sept. 1990, p. 799-803. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

Cosmic Rays, Stellar Evolution, Supernovae, Abundance, Beryllium Isotopes, Carbon 14, Polar Caps, Stellar Spectra

Scientific paper

Measurements of the cosmogenic Be-10 abundance in polar ice have been
used to estimate temporal variations of cosmic rays over the past
150,000 years. It is suggested that the supernova explosion which took
place at a distance of about 50 pc 35,000 years ago may be the cause of
the observed Be-10 and C-14 production rate enhancement.

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