搜索结果: 1-1 共查到“天体测量学 calcium-rich”相关记录1条 . 查询时间(0.068 秒)
An aluminum/calcium-rich, iron-poor, white dwarf star: evidence for an extrasolar planetary lithosphere?
calcium-rich iron-poor evidence extrasolar planetary lithosphere
2011/10/8
The presence of elements heavier than helium in white dwarf atmospheres is often a signpost for the existence of rocky objects that currently or previously orbited these stars. We have measured the ab...