Panspermia
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Panspermia is the hypothesis that life exists throughout the universe, distributed by cosmic dust, meteoroids, asteroids, comets, and planetoids, as well as by spacecraft carrying unintended contamina
Some microbes appear able to survive the planetary protection procedures applied to spacecraft in cleanrooms, intended to prevent accidental planetary contamination.
Interplanetary contamination
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Interplanetary contamination refers to biological contamination of a planetary body by a space probe or spacecraft, either deliberate or unintentional.
Telerobotics exploration on Mars and Earth
Working inside a BSL-4 laboratory with air hoses providing positive air pressure to their suits
Telerobotics exploration of Mars