Elliptical
81cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
82Galaxy formation and evolution — The study of galaxy formation and evolution is concerned with the processes that formed a heterogeneous universe from a homogeneous beginning, the formation of the first galaxies, the way galaxies change over time, and the processes that have… …
83Orbital mechanics — A satellite orbiting the earth has a tangential velocity and an inward acceleration. Orbital mechanics or astrodynamics is the application of ballistics and celestial mechanics to the practical problems concerning the motion of rockets and other… …
84Stern — For other meanings, see Stern (disambiguation). Detailed schematic of an elliptical or fantail stern[1] The stern is the rear or aft most part of a ship or boat, technically defined as the area built up …
85Orbit — This article is about orbits in celestial mechanics, due to gravity. For other uses, see Orbit (disambiguation). A satellite orbiting the Earth has a tangential velocity and an inward acceleration …
86Messier 87 — Virgo A The Messier 87 galaxy. Observation data Epoch J2000 Constellation Virgo Right ascension …
87Deva Victrix — Deva, rendered as it probably appeared …
88List of NGC objects (4001–5000) — Contents 1 4001 4100 2 4101 4200 3 4201 4300 4 4301 4400 5 4401 4500 …
89Atlas of Peculiar Galaxies — The Atlas of Peculiar Galaxies is a catalog of peculiar galaxies produced by Halton Arp. A total of 338 galaxies are presented in the atlas, which was originally published in 1966 by the California Institute of Technology.The primary goal of the… …
90List of NGC objects (1001–2000) — Contents 1 1001 1100 2 1101 1200 3 1201 1300 4 1301 1400 5 1401 1500 …
