Pristine alien material from the object 2I/Borisov is being exposed to space for the first time—but the coronavirus pandemic is stopping astronomers from watching it
-- Read more on ScientificAmerican.com
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Pristine alien material from the object 2I/Borisov is being exposed to space for the first time—but the coronavirus pandemic is stopping astronomers from watching it
-- Read more on ScientificAmerican.com
More...