(Phys.org) -- A team made up of a diverse group of researchers has found after studying the composition of several asteroids that most such planetesimals had an abundance of highly siderophile elements in their mantles suggesting, ...
(PhysOrg.com) -- For a century, scientists have assumed that the Earth has same chemical make-up as the sun. But this belief has been challenged by scientists at The Australian National University.
Earth Sciences
Mar 29, 2012
9
0
Meteorites hold a record of the chemicals that existed in the early Solar System and that may have been a crucial source of the organic compounds that gave rise to life on Earth. Since the 1960s, scientists have been trying ...
Space Exploration
Aug 8, 2011
3
2
(PhysOrg.com) -- Scientists have gained new insight into the makeup of ancient meteorites called Carbonaceous Chondrites, in research published in the October edition of the journal Earth Science and Planetary Letters.
Astronomy
Nov 12, 2009
1
0
