The simplest approach is to check every single point. Compute the distance from the user's location to every restaurant in the database, keep the ones that are close enough, and throw away the rest.
The only catch was this had a planned six-month mission, extending the astronauts stay until now.
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澳洲枪手被击倒瞬间！嫌犯为一对父子，警方查获6把枪支澎湃新闻记者 马栎程
▲ 图源：9To5Google
这些研究都在逼近一个最为核心的问题：人类，究竟能不能在太空繁衍生息，这也是人类走向深空的必经之路。