direct-fire elbow telescope 指束射击望远刽 ; 直探测接收机
direct position of telescope 正镜
direct sight telescope 直接瞄准望远镜
direct-fire telescope 指挥射击望远镜
direct-fire bend telescope 指束射击望远刽
The direct imaging of the light from an exoplanet, so far accomplished by the Hubble Space Telescope and the European Southern Observatory's Very Large Telescope.
来自太阳系外行星的直接光学图像，目前有哈勃太空望远镜和欧洲南方天文台的超大型望远镜能够做到。
More direct observations of distant free-floating giant planets should be possible with a new space telescope called WFIRST, currently in the planning stage.
通过WFIRST太空望远镜（最近还在计划阶段），我们可以对遥远的游离巨行星进行更多的直接观察。
应用推荐