Saturday 21 October 2017

Kronos: The eater of planets

Kronos: The eater of planets

The Sun has been pretty good to us here on Earth over the last billion or so years. Sure we get the occasional solar storm and some deviations from ideal temperatures. But, by and large, we have a relatively supportive parent star. It’s nothing like those poor planets that orbit the star Kronos (HD 240430), located some 350 light-years away. On September 15, a team of Princeton astronomers posted a paper on the physics pre-print site arXiv.org that argues the star Kronos devoured over a dozen of its rocky inner planets during the course of its 4 billion year lifetime.

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