外行星 meaning in English
[天文学] outer planet; superior planet
Examples
- Yet there are fundamental differences between these two outer - planet missions
但是这两次外行星任务有重大的差异。 - It should be capable of detecting exoplanets smaller than the earth
这架望远镜能够侦测到体积比地球还小的系外行星。 - Extrasolar planetary system
太阳系外行星系 - It has been designed to spot exoplanets bigger than twice the size of the earth
这艘太空船是用以捕捉体积在地球两倍以上的系外行星的踪影。 - All but three appear , by their great size and low density , to be gas giants
这些系外行星都是体积庞大且密度极低的气态巨星，只有三个例外。