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
17%
0%
0%
82%
17
flagGermany
20%
1%
8%
69%
85
flagFrance
23%
5%
5%
64%
17
flagthe United Kingdom
21%
5%
9%
63%
184
flagSpain
23%
0%
15%
61%
13
flagPoland
22%
6%
10%
58%
5685
flagthe United Arab Emirates
25%
8%
8%
58%
12
flagCanada
26%
7%
3%
57%
26
flagthe Netherlands
21%
0%
21%
57%
14
flagthe Philippines
27%
5%
11%
55%
18
flagthe United States
26%
8%
13%
50%
390
flagUU
37%
0%
12%
50%
16
flagIndia
26%
11%
11%
48%
167
flagIndonesia
41%
0%
16%
41%
12
flagNorway
47%
5%
11%
35%
17
flagPakistan
41%
5%
17%
35%
17
flagAustralia
47%
4%
14%
33%
21
flagRepublic of Ireland
40%
13%
20%
26%
15

Gender

men60%
women57%
white dwarfs
22%
22%
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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