* Mars has low gravity, but it is not zero • Mars’ gravity
* Mars has low gravity, but it is not zero
• Mars’ gravity is about 38 percent of Earth’s gravity
• Gravity is produced by the total mass of the planet, not just its core
• Mars can capture gases, but not strongly or for long periods
• Mars has a very weak magnetic field
• Because of the weak magnetic field, solar wind gradually strips away the atmosphere
• Light gases such as hydrogen and helium escape first
• Mars still has an atmosphere, but it is very thin (about 1 percent of Earth’s atmosphere)
• Due to the lack of a thick atmosphere, more solar radiation reaches the surface easily
• As a result, conditions on Mars are very harsh for life
• Humans on Earth breathe oxygen (O₂), but Mars has almost no free oxygen,
making human survival without life-support impossible
https://youtube.com/shorts/A2ipny54LNE?si=WGR1xJuaR_XUWaxo
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