搜索结果: 1-2 共查到“恒星天文学 Planet”相关记录2条 . 查询时间(0.216 秒)
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...
Does Si Play a Role in the Formation of Extrasolar Planet Systems?
Planetary systems formation—stars abundances—stars late-type
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...