Stars of which type are the smallest in diameter?

white dwarfs
brown dwarfs
red dwarfs
neutron stars
A typical neutron star has a mass between about 1 and 2 solar masses, with a cor­re­spond­ing radius of just about 12 km. Some of them (pul­sars), rotate as quickly as once per 33-mil­lisec­ond, so their radius must be very small not to break the light speed limit at the surface level.

Answers distribution

white dwarfs
brown dwarfs
red dwarfs
neutron stars
answers
flagItaly
13%
0%
0%
86%
22
flagFrance
14%
3%
3%
78%
28
flagGermany
21%
1%
7%
69%
99
flagthe United Kingdom
19%
6%
10%
62%
210
flagSpain
23%
0%
15%
61%
13
flagthe Philippines
24%
8%
8%
60%
25
flagPoland
22%
6%
11%
59%
6171
flagCanada
26%
7%
3%
57%
26
flagUnknown
25%
5%
15%
55%
40
flagthe United States
26%
9%
13%
50%
403
flagthe Netherlands
25%
0%
25%
50%
16
flagIndia
25%
13%
12%
48%
191
flagthe United Arab Emirates
23%
5%
23%
47%
17
flagIndonesia
38%
0%
15%
46%
13
flagPakistan
41%
5%
17%
35%
17
flagNorway
47%
5%
11%
35%
17
flagRepublic of Ireland
33%
11%
22%
33%
18
flagAustralia
47%
8%
13%
30%
23

Gender

men60%
women57%
white dwarfs
22%
21%
brown dwarfs
5%
5%
red dwarfs
11%
14%
neutron stars
60%
57%

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Stars of which type are the smallest in diameter?
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Author: Hà Linh Chi
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