The telescope, a partnership of NASA and the European and Canadian space agencies, homed in on PMR 1, a planetary nebula nicknamed the Exposed Cranium for being the spitting image of a brain scan. The nebula lies about 5,000 light-years away from Earth in the Vela constellation.
Rebecca Heilweil
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// 1. 统计当前位每个数字出现次数
Никита Абрамов (Редактор отдела «Россия»)