(L. Calcada / ESO) An artist's impression of a baby star still surrounded by a protoplanetary disc in which planets are forming.
60-Year-Old Solar Mystery Finally Solved
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NOVEMBER 12, 2009
Andrea Thompson, Space.com

The search for planets beyond our solar system may be a little easier, thanks to a new comparison of sun-like stars that has revealed a key difference in the chemistry of stars that have planets and their barren cousins and solved a long-standing mystery about our own sun's chemistry.
The solar mystery revolves around the abundance of the element lithium in the sun.
Read the story by Andrea Thompson: www.msnbc.msn.com/id/33864991