What are the possible remnants of supernovae?

protostars or nebulae
neutron stars or black holes
white dwarfs or protostars
black dwarfs or white dwarfs
Supernovae occur during the last stellar evolutionary stages of a star's life, either a massive star or a white dwarf, whose destruction is marked by one final, titanic explosion. Supernovae may expel much, if not all, of the material away from a star. However, if the explosion is weak enough, the star may collapse into a black hole or neutron star with little radiated energy.
Denis Ferenc
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Answers by country

protostars or nebulae
neutron stars or black holes
white dwarfs or protostars
black dwarfs or white dwarfs
answers
flagthe Philippines
16%
77%
0%
6%
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flagEstonia
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23%
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13
flagthe United States
14%
73%
5%
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flagUnknown
23%
70%
0%
5%
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flagPakistan
19%
69%
5%
5%
36
flagAustria
8%
66%
19%
3%
83
flagAustralia
8%
65%
8%
17%
35
flagCanada
15%
65%
11%
7%
26
flagIndia
16%
61%
13%
7%
419
flagFrance
0%
61%
22%
16%
18
flagGhana
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7%
30%
13
flagthe Netherlands
0%
60%
30%
8%
23
flagMalaysia
0%
58%
16%
25%
12
flagthe United Kingdom
15%
56%
15%
11%
106
flagGermany
19%
55%
14%
10%
414
flagGreece
10%
52%
21%
15%
19
flagSwitzerland
30%
47%
19%
2%
36
flagNigeria
31%
45%
9%
13%
22
flagPoland
14%
40%
27%
16%
4044
flagRepublic of Ireland
9%
28%
38%
23%
21