Mars colonisation is a hype topic. What is the biggest threat for those wishing to take a part in a journey to Mars?

low temperatures
lack of oxygen
poor gravity
cosmic rays
The only ef­fi­cient pro­tec­tion against high en­er­get­ic cosmic ra­di­a­tion, one we are granted with, is Earth magnetic field. Both during a long flight to Mars and through the stay on the planet, that did not form elec­tro­mag­net­ic field, as­tro­nauts would be exposed to ion­iza­tion.

Answers distribution

low temperatures
lack of oxygen
poor gravity
cosmic rays
answers
flagLithuania
0%
16%
0%
83%
12
flagFrance
2%
13%
5%
78%
37
flagAustralia
0%
17%
4%
78%
23
flagItaly
10%
5%
15%
70%
20
flagSpain
7%
15%
7%
69%
13
flagSweden
4%
20%
8%
66%
24
flagSwitzerland
15%
18%
6%
59%
32
flagthe United Kingdom
8%
23%
7%
58%
363
flagUnknown
9%
28%
5%
55%
984
flagDenmark
9%
9%
27%
54%
11
flagPoland
9%
28%
7%
52%
16177
flagCanada
3%
40%
3%
51%
27
flagGermany
13%
27%
7%
50%
149
flagthe Netherlands
6%
34%
6%
50%
32
flagthe Philippines
7%
26%
11%
50%
26
flagthe United States
8%
28%
11%
48%
179
flagIndia
10%
31%
9%
46%
204
flagMalaysia
9%
18%
27%
45%
11
flagNorway
25%
41%
0%
33%
24
flagRepublic of Ireland
0%
55%
11%
29%
34

Gender

men55%
women42%
low temperatures
9%
12%
lack of oxygen
28%
34%
poor gravity
6%
10%
cosmic rays
55%
42%

Language versions

question
answers
results
flag
Mars colonisation is a hype topic. What is the biggest threat for those wishing to take a part in a journey to Mars?
650
51%

Details

Author: smyru
Illustration: FlyingSinger
tools
Should this question be improved? Improve it.
Globalquiz questions are translated by users for other users. Translate this question.