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25votes
4answers
20kviews

If human space travel is limited by the G force vulnerability, is there a way to counter G forces?

I read somewhere that prolonged G forces (even 2 Gs) are not tolerated by human physiology and that this ultimately limits our ability to sustain space travel. Are there any tactics to reduce G force ...
Daaood's user avatar
7votes
1answer
6kviews

How do we create a zero gravity environment on Earth?

I have read somewhere that to-be astronauts are trained on Earth to be deft enough when they are in space which has zero gravity. How do we create a zero gravity situation on Earth? On Earth, even if ...
Arnav Das's user avatar
8votes
2answers
2kviews

Adapting to Increased Gravity on Alien Planets

What would mankind use in order to adapt or merely cope with the effects of a large increase of gravity on an alien world? Assuming there are no other problems we would face.
The Glis Jackel's user avatar
13votes
3answers
6kviews

On a Super-Earth 1.5x the volume and mass of Earth, would our rocket technology allow us to reach orbit? [duplicate]

To try and make parameters clear, can we say we are talking about 50% 'more Earth'? As in, Earth, but 1.5 times as big and heavy? And let us include the atmosphere. If there is 50% more of it by ...
kim holder's user avatar
14votes
4answers
2kviews

How do spacecraft measure onboard gravity?

How do spacecraft measure onboard (micro)gravity at any given point in time (especially when subject to the gravitational fields of multiple bodies)? I'm guessing that rudimentary accelerometers won't ...
coleopterist's user avatar

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