太阳系外行星大小是木星两倍
@@ After two years of painstaking(艰苦的)research, scientists have determined the precise size of a planet beyond our solar system by measuring tiny shifts in the tilt of light coming from its parent star.
太阳系外行星
P172;P691;TH753
2006-07-31(万方平台首次上网日期,不代表论文的发表时间)
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