EVIDENCE FOR SEQUENTIAL STAR FORMATION WITHIN METEORITES
Mathieu GOUNELLE
museum d'histoires naturelles
Jeudi 07/04/2011, 11:00
Bat 713, salle de séminaires Galilée , CEA Saclay, Orme des Merisiers

When meteorites formed, 4.5 Gyr ago, they contained radioactive such as 26Al (T1/2 = 0.64 Myr) and 60Fe (T1/2 = 2.6 Myr). The origin of these elements and their astrophysical relevance has long been elusive. I will try to show that they are the tracers, at the meteorite scale, of sequential star formation as observed today at the Galactic scale.

Contact : pchavegrand

 

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