Beresheet spilled tardigrades, invisible tiny critters that are capable of living in extreme conditions — including space.
. In a last-minute decision, the Arch Mission Foundation dehydrated the tardigrades and put them in resin along with the nickel engravings that included the rest of the time capsule library's data. Spivack told Wired the resin should be strong enough so that the library shouldn't have broken or melted even as Beresheet landed on the moon.
"Our job, as the hard backup of this planet, is to make sure that we protect our heritage — both our knowledge and our biology," Spivack said."We have to sort of plan for the worst." It's good news for the tardigrades. Those"water bears" are basically indestructible, and can be rehydrated and revived even after a decade of being dormant., as long as they aren't in direct sunlight, there's a good chance they're still alive.
"Tardigrades in dry state can survive pressures up to 74,000 times the pressure we experience at sea level, so the [crash] impact should not be a problem for them,"
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