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What are elliptical galaxies?
Why do elliptical galaxies have different names?
What is the difference between spiral and elliptical galaxies?
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May 9, 2022 · What Is an Elliptical Galaxy? Elliptical galaxies have an even, ellipsoidal shape. They typically contain a much greater proportion of older stars than spiral galaxies do. Four classes are used to classify galaxies: spiral; barred spiral; elliptical and irregular. Elliptical galaxies have a smoo
Apr 13, 2024 · Elliptical galaxies form through galaxy mergers or the collapse of massive gas clouds, and come in a wide range of sizes and shapes. Notable elliptical galaxies include M87 and Centaurus A, which provide valuable insights into the formation and evolution of galaxies.
Elliptical galaxies contain older stars and are often less active in terms of star formation and other processes compared to spiral galaxies. Elongation In astronomy, elongation refers to the angular separation between a celestial object (typically a planet) and the Sun as observed from Earth.
Jan 9, 2019 · An elliptical galaxy, full of dark lanes of gas, likely formed in the merger of two other galaxies. Elliptical galaxies host less (or no) star birth than spiral galaxies like the Milky Way.
Mar 18, 2024 · Elliptical galaxies are those galaxies classified according to their shape and size. The shapes go from round – soccer-ball like – to extreme elongated – football-like – and are classified E0 (soccer ball shapes) to E5 (football shapes).Elliptical galaxies have very little dust and gas, and appear to be the oldest class of galaxies.
Dec 30, 2020 · Here are the two basic relevant facts about elliptical orbits: 1. The time to go around an elliptical orbit once depends only on the length a of the semimajor axis, not on the length of the minor axis: 2. The total energy of a planet in an elliptical orbit depends only on the length a of the semimajor axis, not on the length of the minor axis ...
Sep 24, 2023 · In simple terms, it is a type of galaxy that has an ellipsoidal shape – in other words, it looks like a flattened ball. Unlike spiral galaxies, which have a distinct, swirling structure, elliptical galaxies lack any obvious structure and are comprised of mostly older stars.
