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The Perseus cluster (Abell 426) is a cluster of galaxies in the constellation Perseus. It has a recession speed of 5,366 km/ s and a diameter of 863 ′ . [ 1 ] It is one of the most massive objects in the known universe , containing thousands of galaxies immersed in a vast cloud of multimillion-degree gas.
NGC 869 (also known as h Persei) is an open cluster located 7460 light years away in the constellation of Perseus. [2] The cluster is about 14 million years old. [2] It is the westernmost of the Double Cluster with NGC 884. NGC 869 and 884 are often designated h and χ (chi) Persei, respectively.
The first hour of each day was named after the ruling planet, giving rise to the names and order of the Roman seven-day week. Modern Latin-based cultures, in general, directly inherited the days of the week from the Romans and they were named after the classical planets; for example, in Spanish Miércoles is Mercury, and in French mardi is Mars ...
This release contains images and catalogs of star-forming regions, globular clusters, nearby galaxies, fields of the Fornax cluster and Perseus cluster, as well as more distant galaxy clusters. [35] The content of the ERO is described in one paper submitted to Astronomy & Astrophysics.
The image shows roughly 1,000 galaxies that form the Perseus Cluster, along with more than 100,000 other galaxies further away that each contain up to hundreds of billions of stars.
"The Star Cluster (Star of Stars)" or "The Bristle" the Pleiades: 2. MUL GU 4.AN.NA - π―πππΎ alû/lê "The Bull of Heaven" Taurus and Hyades: 3. MUL SIPA.ZI.AN.NA - π―πΊπ»π£ππΎ šitaddaru or šidallu "The Loyal Shepherd of Heaven" Orion: 4. MUL ŠU.GI - π―ππ šΔ«bu "The Old One" Perseus: 5. MUL ZUBI or MUL GAM 3 ...
Initially, the names given to minor planets followed the same pattern as the other planets: names from Greek or Roman myths, with a preference for female names. With the discovery in 1898 of the first body found to cross the orbit of Mars, a different choice was deemed appropriate, and 433 Eros was chosen.
The best available theory of planet formation is the nebular hypothesis, which posits that an interstellar cloud collapses out of a nebula to create a young protostar orbited by a protoplanetary disk. There are eight planets within the Solar System; planets outside of the solar system are also known as exoplanets.