Conditions in space are ideal for making semiconductors, which have the atoms they're made of arranged in a highly ordered 3D structure.
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NASA wrote a statement saying that the astronaut experienced an unknown medical event on January 7 "that required immediate attention" from his fellow crew members. Fincke added that his "status quickly stabilized" thanks to the "quick response and the guidance" of the flight surgeons.
Without the help of the specialist cameras, the bats are near impossible to spot, lost in the darkness.