What are the most luminous objects in the universe?

supergiant stars
novae
supernovae
quasars
A quasar is an ex­treme­ly en­er­get­ic source of ra­di­a­tion powered by ac­cre­tion disc around galaxy's central su­per­mas­sive black hole. Quasars were much more common in the early uni­verse, as all known quasars are ex­treme­ly distant.

Answers distribution

supergiant stars
novae
supernovae
quasars
answers
flagCroatia
8%
8%
8%
75%
12
flagDenmark
0%
0%
27%
72%
11
flagNorway
13%
4%
21%
60%
23
flagSpain
9%
0%
36%
54%
11
flagCanada
8%
4%
36%
52%
25
flagGermany
6%
2%
41%
49%
89
flagPakistan
17%
5%
23%
47%
17
flagIndia
17%
2%
33%
46%
130
flagItaly
30%
0%
23%
46%
13
flagthe Netherlands
0%
0%
53%
46%
13
flagthe United Kingdom
8%
2%
45%
42%
155
flagthe Philippines
21%
5%
31%
42%
19
flagthe United Arab Emirates
25%
8%
16%
41%
12
flagRepublic of Ireland
0%
10%
50%
40%
10
flagPoland
8%
4%
47%
39%
5088
flagthe United States
14%
3%
41%
39%
336
flagFrance
0%
7%
57%
35%
14
flagAustralia
28%
7%
35%
28%
14

Gender

men40%
women33%
supergiant stars
5%
10%
novae
3%
5%
supernovae
51%
51%
quasars
40%
33%

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What are the most luminous objects in the universe?
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