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Is there any breathable air on Mars?
atmosphere on Mars 96% carbon dioxide less than 0.2% oxygen
Questioner：Zoe Stewart 2018-04-06 09:53:21
The most authoritative answer in 2024
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Harper Roberts——Studied at the University of Barcelona, Lives in Barcelona, Spain.
As an expert in planetary science, I can tell you that the atmosphere on Mars is not suitable for human respiration as we know it. The Martian atmosphere is 96% carbon dioxide, with less than 0.2% oxygen. In comparison, Earth's atmosphere has about 21% oxygen, which is essential for human survival. If astronauts were to attempt to breathe the air on Mars without proper life support, they would indeed quickly suffocate. The challenge of providing breathable oxygen for a mission to Mars is significant, as the space for cargo is limited and must accommodate not only life support systems but also food and scientific instruments. read more >> -
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Ethan Campbell——Works at the International Committee of the Red Cross, Lives in Geneva, Switzerland.
The atmosphere on Mars consists of 96% carbon dioxide and less than 0.2% oxygen (Earth has about 21% oxygen). If astronauts tried breathing the air on Mars, they would quickly suffocate. But hauling tanks of breathable oxygen to Mars takes up precious space that could otherwise store food and scientific instruments.read more >>+119962015-3-3
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