Researchers Capture First Photo of Planet in the Making     Researchers  Capture  Planet       font style='font-size:12px;'> 2015/12/7

There are 450 light-years between Earth and LkCa15, a young star with a transition disk around it, a cosmic whirling dervish, a birthplace for planets. Despite the disk’s considerable distance from E...

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Does Si Play a Role in the Formation of Extrasolar Planet Systems?      Planetary systems  formation—stars  abundances—stars  late-type       font style='font-size:12px;'> 2009/5/12

With the high signal-to-noise ratio spectra, we obtained Si abundances of 22 extrasolar planet host stars, and discussed some constraints on the planet formation. Using our silicon abundance results...

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