What is the densest substance in the universe?

osmium
diamond
core of the Sun
neutron star
A neutron star is a stellar remnant of a su­per­no­va. Neutron stars are very small, but ex­treme­ly dense - with a radius of only about 12–13 km (7 mi), they can have a mass of about two Suns.

Answers distribution

osmium
diamond
core of the Sun
neutron star
answers
flagthe United Arab Emirates
16%
0%
8%
68%
25
flagAustralia
10%
14%
8%
67%
49
flagthe United Kingdom
15%
7%
10%
66%
448
flagCanada
16%
6%
10%
64%
50
flagthe Netherlands
5%
16%
16%
61%
36
flagUkraine
20%
13%
0%
60%
15
flagPoland
15%
11%
12%
59%
11266
flagUnknown
16%
13%
11%
57%
509
flagMalaysia
18%
18%
7%
55%
27
flagGermany
24%
12%
8%
54%
125
flagthe United States
19%
11%
14%
53%
690
flagFrance
17%
2%
26%
53%
41
flagPakistan
12%
16%
16%
52%
55
flagSingapore
13%
10%
24%
51%
29
flagthe Philippines
14%
14%
22%
47%
48
flagRepublic of Ireland
21%
31%
0%
47%
19
flagIndia
20%
20%
12%
43%
410
flagNorway
30%
17%
13%
39%
23
flagBelgium
37%
18%
6%
37%
16
flagItaly
40%
7%
14%
33%
27

Gender

men63%
women45%
osmium
16%
24%
diamond
10%
14%
core of the Sun
9%
16%
neutron star
63%
45%

Language versions

question
answers
results
flag
What is the densest substance in the universe?
1969
54%

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Illustration: crabchick
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