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List of the largest known stars in the Milky Way Star name Solar radius (R ☉) Method [a] Notes Orbit of Saturn: 2,047 – 2,049.9 [8] [b] Reported for reference: Theoretical limit of star size (Milky Way) ≳1,700 [9] L/T eff: Estimated by measuring the fraction of red supergiants at higher luminosities in a large sample of supernova ...
The largest of these may have a hydrostatic-equilibrium shape, but most are irregular. Most of the trans-Neptunian objects (TNOs) listed with a radius smaller than 200 km have " assumed sizes based on a generic albedo of 0.09" since they are too far away to directly measure their sizes with existing instruments.
List of largest known star clusters Cluster name Diameter (light-years) Type of cluster Notes Terzan 7: 316 [1] Globular cluster: Messier 54: 306 [2] NGC 339: 238 [3] Messier 3: 226 [4] Messier 11 (Wild Duck Cluster) 190 [5] Open cluster: Messier 2: 174.4 [6] Globular cluster: Omega Centauri: 172 ± 12 [7] Largest globular cluster in the Milky ...
From the biggest asteroid to the biggest black hole, check out some of the objects almost too big to imagine. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 ...
This list only concerns "living" stars – those which are still seen by Earth-based observers existing as active stars: Still engaged in interior nuclear fusion that generates heat and light. That is, the light now arriving at the Earth as images of the stars listed still shows them to internally generate new energy as of the time (in the ...
This image released by the Event Horizon Telescope Collaboration, May 12, 2022, shows a black hole at the center of our Milky Way galaxy. The Milky Way black hole is called Sagittarius A*, near ...
Located at a distance of 17,090 light-years (5,240 parsecs), it is the largest known globular cluster in the Milky Way at a diameter of roughly 150 light-years. [10] It is estimated to contain approximately 10 million stars, with a total mass of 4 million solar masses , [ 11 ] making it the most massive known globular cluster in the Milky Way.
0.055 M Earth Mercury [28] 318 M Earth Jupiter [26] 2500 km Mercury [29] 69911 k m Jupiter [28] Dwarf planet: ≈0.43 k m/s Orcus: 1.3 km/s Eris: 0.0000916 M Earth Orcus [20] [NB 3] 0.0028 M Earth Eris: 487.3 km Ceres: 1187 km Pluto: Major moon of major or dwarf planet [NB 2] 0.16 km/s Mimas: 2.74 km/s Ganymede: 0.000006 M Earth Mimas: 0.0250 M ...