candidate.weight = 1.0 / distance to candidate
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And footage showed orange balls of light flying across the sky over the Haitian capital of Port-Au-Prince, leaving a trail of smoke behind.
NASA announced at a press conference on Friday that it's delaying its plans for a Moon landing until Artemis IV in 2028. The Artemis III mission, scheduled for 2027, was originally going to attempt to land on the Moon but will now be a test flight instead. NASA also says it's "increasing its cadence of missions," including adding a second test flight in 2027 and aiming for "at least one surface landing every year thereafter," including the Artemis IV landing.，推荐阅读WPS下载最新地址获取更多信息