Linked Questions

20
votes
5answers
23k views

What materials provide the best protection from cosmic radiation?

For long-distance manned missions, such as a mission to Mars, we are inevitably going to have to shield astronauts from cosmic radiation, especially in the event of a solar flare or SEP. What ...
16
votes
4answers
3k views

Radiation shielding magnetic or mass, which is more efficient?

As I understand it; being away from earth subjects you to significant health risks from radiation. On Earth most of this risk is deflected by Earth's magnetic field. I did not find a reference but ...
4
votes
3answers
13k views

How are astronauts protected from radiation in a spacecraft?

How are astronauts protected from radiation (alpha, beta, gamma rays, uv rays) by their spacecraft? Is the spacecraft built in a special material?
9
votes
2answers
2k views

Would a nuclear propelled spaceship still need a storm shelter?

Assume you have a sophisticated nuclear (thermal or whatever comes to mind) propelled spaceship for your summer vacation on Mars. Half way there Houston calls and informs you about an inbound solar ...
5
votes
2answers
664 views

Is a ball of ice practical as reaction mass and forward shielding?

There have been several hard science fiction stories where sheets or a ball of ice is used on a spacecraft. The function is usually as forward shielding against dust and small debris. Is this ...
1
vote
1answer
156 views

Could e-sails provide safer space travel

E-sails (Electric Sails) deflect Solar wind protons to produce thrust, that's good protection for living things in a permanent centre module that produces and stores food and oxygen. I was thinking a ...
4
votes
0answers
124 views

Mars and the radiation problems [duplicate]

I was listening to a Science Friday podcast in which the Martian movie was being discussed. The science contributors stated the radiation problems are the biggest issue for Mars exploration. Reading ...
2
votes
0answers
95 views

Are artificial magnetic fields used or proposed to be used to shield astronauts from charged, high energy radiation? [duplicate]

If not for the earth's magnetic field our atmosphere would be bombarded by high energy plasma (ionized gas) from the sun and other space sources. Much of these particles have more energy than the ...
1
vote
0answers
17 views

Can an electromagnetic shield protect spacecraft from incoming radiation? [duplicate]

If we used an electromagnetic shield to protect astronauts from radiation, what could we use to power it and could it be possible?
0
votes
0answers
46 views

Why don't astronauts/ships/stations carry portable 'magnetospheres'? [duplicate]

As I understand it, cosmic radiation is one of the biggest dangers/problems to space exploration. Some cursory research seems to suggest that it wouldn't take very strong magnetic fields to deflect ...