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Largest Astronomical Objects by Type

Based on each class or description, name the largest applicable astronomical body.
The quiz is looking for the largest known object, it is not suggesting that these objects are objectively largest.
Some of these names are not very pretty
Due to the nature of black holes in general, the given radius of the black hole is its Schwarzschild radius. Its actual radius is unknown, and it may not have a radius at all.
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QuantumMechanist
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Last updated: November 22, 2021
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First submittedOctober 5, 2019
Times taken622
Average score33.3%
Rating4.80
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Type
Mean Radius (km)
Mass (Sun)
Answer
Centaur
238.00
No Data
Chariklo
Asteroid
469.73
4.6964e-10
Ceres
Sednoid (mean radius)
1,025.0
No Data
Sedna
Solar Dwarf Planet (mass)
1,163.0
8.2412e-9
Eris
Solar Moon (mass)
2,634.1
7.4169e-8
Ganymede
Solar Planet
69,911
9.5005e-4
Jupiter
Star (radius)
1.1893e9
~8
UY Scuti
Black Hole
1.9448e11
6.6000e10
TON 618
Globular Cluster
8.1360e14
2.0500e6
Omega Centauri
Nebula
8.8080e15
>4.5000e5
Tarantula
Spiral Galaxy
4.3803e18
2e12
Godzilla Galaxy
Galaxy Cluster
No Data
3e15
El Gordo
Quasar Group
3.7843e22
6.1000e18
Huge-LQG
Structure
9.4607e22
2e19
Hercules-Corona Borealis Great Wall
Void
3.1220e21
Not Applicable
Boötes void
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1 Comments
+1
Level 69
Jun 8, 2020
Pluto has a smaller mass, but larger diameter than Eris.