Knowridge11 天
If we want to live on other worlds, we’re going to need new clocks
Between NASA, other space agencies, and the commercial space sector, there are some truly ambitious plans for humanity’s ...
Astronomy on MSN11 天
Pluto may have ‘kissed’ Charon to capture it
New models reveal Pluto and Charon may have spent some of their early history locked together in an embrace after a grazing ...