Friday, April 5, 2019

This Harvard astronomer's theory on aliens earned him ridicule. Here's why he's standing by it - The Boston Globe

https://www.bostonglobe.com/metro/2019/04/03/real-science-science-fiction-harvard-astronomer-stands-his-theory/QuWB4VTpYg8LkDvSUaxcPO/story.html

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