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#286759
Thu 19 Feb 2015 01:58:PM
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Joined: Feb 2001
Posts: 381,904
Launch Director
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OP
Launch Director
Joined: Feb 2001
Posts: 381,904 |
Astronomers observed Nova Delphini 2013 which occurred on August 14, 2013. They discovered that the outburst is producing a large amount of lithium (Li). Lithium is a key element in the study of the chemical evolution of the universe because it likely was and is produced in several ways: through Big Bang nucleosynthesis, in collisions between energetic cosmic rays and the interstellar medium, inside stellar interiors, and as a result of novae and supernova explosions. This new observation provides the first direct evidence for the supply of Li from stellar objects to the galactic medium.  Source: Classical nova explosions are major lithium factories in the universe
David Cottle
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