要让这颗行星的状态从“候选”到“证实”,“开普勒”小组必须确认三次“行星凌日”的过程。
The Kepler team had to wait for three passes of the planet before upping its status from "candidate" to "confirmed".
用月亮来观察地球重新建立了外星行星凌日的基本几何学原理,同时平衡了穿过整个大气层的影响。
Using the Moon to view Earth recreates the basic geometry of exoplanet searches, as well as averaging the effect across the entire atmosphere.
观察太阳系外行星凌日的技术同Palle和他同事的技术近似,那就是利用月亮作为镜子看地球相对于太阳的凌日。
Looking for transiting extrasolar planets is analogous to palle and colleagues' technique - using the Moon as a mirror to watch Earth transit the Sun.
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