Murchison Meteorite: Younger Cosmic Roots Than Previous Theories, Says Study
Monday, June 15, 2009 - 19:07
in Astronomy & Space
The interstellar stuff that became incorporated into the planets and life on Earth has younger cosmic roots than theories predict, according to the University of Chicago postdoctoral scholar Philipp Heck and his international team of colleagues. Heck and his colleagues examined 22 interstellar grains from the Murchison meteorite for their analysis. Dying sun-like stars flung the Murchison grains into space more than 4.5 billion years ago, before the birth of the solar system. Scientists know the grains formed outside the solar system because of their exotic composition. read more
Read the whole article on Scientific Blogging
More from Scientific Blogging
Related
- Meteorite grains divulge Earth's cosmic rootsMon, 15 Jun 2009, 17:24:36 EDT
- Theory of the sun's role in formation of the solar system questionedThu, 4 Sep 2008, 15:23:23 EDT
- A new X-ray spectroscopic tool for probing the interstellar mediumTue, 31 Mar 2009, 12:30:58 EDT
- Satellite reveals surprising cosmic 'weather' at edge of solar systemFri, 16 Oct 2009, 14:17:11 EDT
- A look into the hellish cradles of suns and solar systemsWed, 19 Aug 2009, 10:10:38 EDT