OptionProbability
1687 K (melting point of silicon)
5800 K (solar photosphere i.e. Sun's visible surface, slightly hotter than Earth's core)
28,000 K (lightning strike)
15,000,000 K (15 million K, solar core)
300,000,000 K (300 million K, thermonuclear bomb)
100,000,000,000 K (100 billion K, supernova)
1.416784(16) x 10^32 K (Planck temperature, Big Bang)
26
8
7
6
5
2
Other
Enceladus
Mars
Europa
Titan
Venus
Luna (presumably in a shaded crater/magma tube)
K2-18 b
Earth
The Big Bang
Ceres
Pluto/Charon
Triton
Pluto
Charon
TRAPPIST-1d
Proxima Centauri b
Unknown
25
22
20
15
10
4
1
0
OptionVotes
YES
NO
1333
921
229
122
679
It has or may continue to vary over time at times after the first 1 billion years after the Big Bang
It varied over time during the first 1 billion years after the Big Bang
At the current time it varies across space
24
14
300
33