What is the source of the most powerful release of energy in the universe, second in scale only to the Big Bang?

supermassive stars
quasars
gamma-ray burst
supernova
Gamma-ray bursts are the brightest in the universe, even brighter than the glare of quasars, second only to the brightness and power of the Big Bang. It is believed that arise during disruption of stars by black holes.
Krzysztof Moskal
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Very interesting!
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Answers by country

supermassive stars
quasars
gamma-ray burst
supernova
answers
flagGermany
0%
20%
60%
20%
10
flagAustralia
0%
16%
52%
32%
25
flagthe United Kingdom
3%
27%
47%
21%
51
flagCanada
0%
36%
45%
18%
11
flagIndia
12%
22%
39%
23%
225
flagPakistan
3%
26%
38%
30%
26
flagthe United States
5%
32%
32%
28%
149
flagPoland
4%
19%
28%
46%
4060
flagthe Philippines
28%
19%
28%
23%
21