Exoplanets clue to sun's curious chemistry
Thursday, November 12, 2009 - 05:00
in Astronomy & Space
'For almost 10 years we have tried to find out what distinguishes stars with planetary systems from their barren cousins,' says Garik Israelian, lead author of a paper appearing this week in the journal Nature. 'We have now found that the amount of lithium in Sun-like stars depends on whether or not they have planets'...