What Could Invasive Species Do in Space?

What Could Invasive Species Do in Space?
AP Photo/Bob Goldstein & Vicki Madden, UNC Chapel Hill

The Beresheet crash landed on Earth's Moon in 2019. Part of the ill-fated Israeli lunar lander's payload was a bunch of tardigrades, or "water bears." These organisms are under a millimeter long and can survive extreme cold and radiation by expelling nearly all their moisture before entering a nearly death-like state. The Beresheet tardigrades may have survived the crash and could, potentially, be resurrected by being reintroduced to water.

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