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How does the candle flame look like in zero gravity?

it is the same as on Earth surface
it is spherical
it is not formed at all
nobody knows
The shape of the flame is created by convection under normal gravity conditions. Without gravity, no convection occurs and the flame becomes spherical.
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it is the same as on Earth surface
it is spherical
it is not formed at all
nobody knows
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7%
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21%
13%
65
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60%
13%
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23
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54%
19%
15%
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28%
10%
82
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52%
29%
11%
17
flagPoland
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50%
30%
10%
12783
flagthe United Kingdom
9%
49%
23%
15%
333
flagthe United States
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47%
28%
15%
1150
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47%
14%
16%
42
flagIndia
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46%
22%
13%
893
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17%
16%
89
flagCanada
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25%
15%
66
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12%
25
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6%
15
flagthe Philippines
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26%
14%
89
flagSingapore
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38%
35%
12%
31
flagGermany
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35%
35%
21%
28
flagthe United Arab Emirates
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34%
37%
12%
32
flagIsrael
17%
29%
29%
11%
17

Who built the first rocket powerful enough to enter outer space?

Americans
Russians
Chinese
Germans

Which space rocket was the most powerful ever?

Atlas V
Ariane 5
Saturn V
Proton

How long did it take Apollo 11 flight to reach the Moon?

30 minutes
3 hours
3 days
30 days

Does the candle burn more or less violently in zero gravity?

more violently
about the same
less violently
nobody knows