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Size (left) and distance (right) of a few well-known galaxies put to scale. There are an estimated 100 billion galaxies in all of the observable universe. [1] On the order of 100,000 galaxies make up the Local Supercluster, and about 51 galaxies are in the Local Group (see list of nearest galaxies for a complete list).
The BattleTech universe, originally created by Jordan Weisman and Patrick Larkin and fleshed out by a multitude of other authors including Michael A. Stackpole, William H. Keith, Jr., Blaine Lee Pardoe, and Loren L. Coleman; The Battlestar Galactica universe by Glen A. Larson; The Blade Runner universe by Philip K. Dick; The Bolo universe by ...
In the table below, unless indicated by a "†", the "modern proper name" is the name approved by the WGSN and entered in the List of IAU-approved Star Names [1] or otherwise approved by the IAU. The WGSN decided to attribute proper names to individual stars rather than entire multiple-star systems . [ 9 ]
List of Solar System objects most distant from the Sun; List of Solar System objects by size; Lists of geological features of the Solar System; List of natural satellites (moons) Lists of small Solar System bodies; Lists of comets; List of meteor showers; Minor planets. List of minor planets. List of exceptional asteroids; List of minor planet ...
This list includes systems with at least three confirmed planets or two confirmed planets where additional candidates have been proposed. The stars with the most confirmed planets are the Sun (the Solar System's star) and Kepler-90 , with 8 confirmed planets each, followed by TRAPPIST-1 with 7 planets.
The fictional universe of Leigh Bardugo's fantasy novels, starting with Shadow and Bone trilogy, which includes Siege and Storm and Ruin and Rising. It is also the universe which includes the Six of Crows and King of Scars duologies. Named for the magical Grisha, a central group in the books. Islands of Gulliver's Travels: Gulliver's Travels: 1726
In a letter to William Herschel, Lalande described it as "un globe surmonté par la première lettre de votre nom" ("a globe surmounted by the first letter of your name"). [31] Today, Köhler's symbol is more common among astronomers, and Lalande's among astrologers, although it is not uncommon to see each symbol in the other context. [32]
The physical universe is defined as all of space and time [a] (collectively referred to as spacetime) and their contents. [10] Such contents comprise all of energy in its various forms, including electromagnetic radiation and matter, and therefore planets, moons, stars, galaxies, and the contents of intergalactic space.