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On which of these planets have experiments been carried out to search for life-forms or evidence of life?
Q14: If astronauts were to set up a
Q91: Mars has one hemisphere that is at
Q131: The spacecraft that successfully photographed Uranus on
Q141: Which of these would be UNCHANGED if
Q213: "It has a cool, solid surface with
Q214: Which gas is thought to be responsible
Q234: The major constituents of Earth's atmosphere are<br>A)
Q258: What caused the long, meandering scarps (cliffs)
Q272: Jupiter's atmosphere has three prominent cloud layers:
Q280: The discoverer of the planet Uranus was<br>A)