- Astronomers believe these stars may exist, but have no proof yet. If they exist, they would be about 1,000 times larger than our Sun.
The writer's dictionary of science fiction, fantasy, horror and mythology. 2014.
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Supermassive black hole — A supermassive black hole is a black hole with a mass of an order of magnitude between 105 and 1.8x 1010 solar masses. Most if not all galaxies, including the Milky Way [ Seeing a Star Orbit around the Supermassive Black Hole at the centre of the … Wikipedia
Stars and planetary systems in fiction — The planetary systems of stars other than the Sun and the Solar System are a staple element in much science fiction. Contents 1 Overview 1.1 The brightest stars … Wikipedia
List of most massive stars — This is a list of the most massive stars so far discovered. The list is ordered by solar mass (1 solar mass = the mass of Earth s Sun). Stellar mass is the most important attribute of a star. Combined with chemical compositions, mass determines a … Wikipedia
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
Timeline of stellar astronomy — Timeline of stellar astronomy* 134 BC Hipparchus creates the magnitude scale of stellar apparent luminosities * 185 AD Chinese astronomers become the first to observe a supernova, the SN 185 * 964 Abd al Rahman al Sufi (Azophi) writes the Book of … Wikipedia
Frederick Reines — Born March 16, 1 … Wikipedia
Space science — is an all encompassing term that describes all of the various science fields that are concerned with the study of the Universe, generally also meaning excluding the Earth and outside of the Earth s atmosphere . Originally, all of these fields… … Wikipedia
Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat … Wikipedia
Messier 87 — Virgo A The Messier 87 galaxy. Observation data Epoch J2000 Constellation Virgo Right ascension … Wikipedia
Galaxy — This article is about the astronomical structure. For other uses, see Galaxy (disambiguation). NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 55,000 light years in diameter and approximately 60 million light… … Wikipedia