WebIn principle, the velocity dispersion can be anisotropic, so that an E galaxy can be a prolate ellipsoid or even a triaxial one. Unfortunately, the three-dimensional shapes cannot be directly observed. ... The mass-luminosity ratio of the stellar population in giant ellipticals therefore remains quite uncertain. It might even be different in a ... WebThe largest galaxies are supergiant ellipticals, or type-cD galaxies. Elliptical galaxies vary greatly in both size and mass with diameters ranging from 3,000 light years to more than 700,000 light years, and masses from 10 5 …
28.5: The Formation and Evolution of Galaxies and Structure in the ...
WebMost giant elliptical galaxies formed through the collision and merger of many smaller fragments. Some spiral galaxies may have formed in relatively isolated regions from a … WebMar 26, 2024 · Elliptical galaxies can be the biggest in our universe, which we refer to as a giant elliptical. They have over a trillion stars, and can have a diameter that is 10x our Milky Way. As well as being the largest, … green hills software santa barbara ca
What are elliptical galaxies? Find out on EarthSky Space EarthSky
WebSep 6, 2024 · That's because the elliptical is a fantastic way to burn more calories and shed body fat – which means getting slimmer all over. Spending 30 minutes on the elliptical … WebMay 8, 2024 · Get the ad-free experience for life. The largest galaxies are typically giant ellipticals, which contain upwards of a trillion stars and can measure as much as one million light-years in diameter ... WebApr 11, 2024 · The first asserts that massive elliptical galaxies formed in a single, rapid collapse of gas and dark matter, during which virtually all the gas was turned quickly into stars. Afterward the galaxies changed only slowly as the stars evolved. This is what astronomers call a “top-down” scenario. flw outdoors jobs