Rare Meteorite Grains May be from Supernova That Sparked Sol

Rare Meteorite Grains May be from Supernova That Sparked Solar System
SPACE.com
In 2007 NASA’s Spitzer space telescope found the infrared signature of silica (sand) in the supernova remnant Cassiopeia A. The light from this exploding star first reached Earth in the 1600s. The cyan dot just off center is all that remains of
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