On which world besides the Earth could a human being step out of his spacecraft without a space suit and air tanks and be confident of surviving?
A) Mars
B) Venus
C) Europa
D) Titan
E) none of the above

Question

Quizplus · Accepted Answer

None of the options provided (Mars, Venus, Europa, Titan) offer an environment where a human could survive without a space suit and air tanks. Each of these worlds has either extreme temperatures, lack of breathable atmosphere, harmful radiation, or a combination of these factors that make them inhospitable to humans without protective gear.

On Which World Besides the Earth Could a Human Being