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- Ishan Daftardar
- 4 min
- The Sun. Humans stand absolutely no chance near the sun. We would get vaporized in less than a second, even with a spacesuit on, let alone without one!
- Mercury. Mercury is a planet of extremes. The side facing the sun is extremely hot, whereas the other side is incredibly cold. The temperatures range from -150 C to 425 C. To top that off, the lack of air will cause serious problems on this planet.
- Venus. Visiting Venus would be like landing inside of an oven. The temperature on its surface is approximately 400C. Its surface pressure is also about 90 times greater than that of Earth.
- Earth. Without holding our breaths, or donning any kind of spacesuit, we can survive for about 80 years… not bad!
Getting satellites into orbit is hard enough - they need to be hurled into space with enough energy to reach around 26,000km/h. But staying in orbit means avoiding losing energy to the Earth's atmospheric drag.
Sep 20, 2018 · Now, in a paper published on the pre-print server arXiv, three physicists, claim that the maximum gravitational field humans could survive long-term is four-and-a-half times the gravity on Earth. Or, at least you could if you are an Icelandic strongman — and Game of Thrones monster — who can walk with more than half a metric ton on your ...
Jul 25, 2019 · If you were lucky enough to go to the moon, you’d be able to jump six times as high there as you can here on Earth. Try it: jump up and imagine you’re on the moon. Six times further up you’d...
- Jacco Van Loon
That's easy in a vacuum - velocity of 49m/s requires kinetic energy (1/2mv2 1 / 2 m v 2) of 1200 Joules per kilogram, which requires a height of 122m on Earth (where g g is about 9.8, although there's nowhere on earth you can fall that far in a vacuum), and 6 times that on the Moon, 730m or so.
Sep 20, 2018 · Now, in a paper published on the pre-print server arXiv, three physicists, claim that the maximum gravitational field humans could survive long-term is four-and-a-half times the gravity...
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Mar 22, 2023 · “Bone is very sensitive to mechanical forces and on Earth we generate them through walking every day, which is sufficient to maintain the integrity of our bones and muscles. In microgravity, all this is gone, and we don't know yet if lunar gravity is sufficient to maintain musculoskeletal integrity,” explains Tobias.
