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Line 51: ===Less lithium in stars with planets=== Stars without planets have 10 times the lithium as stars with planets in a sample of 500 stars.<ref name="Discover">{{cite journal \|last1=Plait \|first1=Phil \|authorlink1=Phil Plait \|journal= Discover\| title=Want a planet? You might want to avoid lithium \|date=Nov 11, 2009}}</ref> The sun has 1% of the amount of lithium in gas clouds. It is suspected that the gravitational pull of planets might churn up a star's surface driving the lithium to hotter cores where [[Lithium burning]] can take place.<ref name="Discover"/> The absence of lithium could also be a way to find new planetary systems.<ref name="Discover"/> ===Higher than expected lithium in metal-poor stars===

Cosmological lithium problem: Difference between revisions