galactic coordinate
21Milky Way — This article is about the galaxy. For other uses, see Milky Way (disambiguation). Milky Way galaxy Image of the Milky Way s Galactic Center in the night sky above Paranal Observatory Observation data …
22Spiral galaxy — A spiral galaxy is a galaxy belonging to one of the three main classes of galaxy originally described by Edwin Hubble in his 1936 work “The Realm of the Nebulae” [cite book |last=Hubble |first=E. P. |authorlink=Edwin Hubble |title=The Realm of… …
23Stellar kinematics — is the study of the movement of stars without needing to understand how they acquired their motion. This differs from stellar dynamics, which takes into account gravitational effects. The motion of a star relative to the Sun can provide useful… …
24Dark matter halo — Simulated dark matter halo from a cosmological N body simulation A dark matter halo is a hypothetical component of a galaxy, which extends beyond the edge of the visible galaxy and dominates the total mass. Since they consist of dark matter,… …
25Galaxy 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… …
26Fundamental plane (spherical coordinates) — The fundamental plane in a spherical coordinate system is a plane which divides the sphere into two hemispheres. The latitude of a point is then the angle between the fundamental plane and the line joining the point to the centre of the… …
27Space velocity — The space velocity of an astronomical object is its actual motion relative to the Sun or the Local standard of rest.AstrometryIts components in the Galactic coordinate system are usually designated U, V, and W, given in km/s, with U positive in… …
28Digital Universe Atlas — Original author(s) Brian Abbott, Carter Emmart, Steven Marx, Ryan Wyatt Developer(s) American Museum of Natural History s Hayden Planetarium, National Aeronautics and Space Administration Initial release 2002 …
29L (disambiguation) — L is the twelfth letter of the Latin alphabet.L may also refer to, or may also be an abbreviation used to denote:Computers*L (complexity), a complexity class in computational complexity theory *L programming languageFilm and literature* L (novel) …
30Poles of astronomical bodies — This article is about geographic, magnetic and other poles on planets and other astronomical bodies. For the Earth s poles, see North Pole, South Pole, North Magnetic Pole, and South Magnetic Pole. See also Pole of inaccessibility. The poles of… …
