instability strip

Mira otros diccionarios:

• Instability strip — The Instability strip is a nearly vertical region in the Hertzsprung–Russell diagram which is occupied by pulsating variable stars (including RR Lyrae variable, Cepheid variable, W Virginis variable, ZZ Ceti variable, RV Tauri variable, Delta… …   Wikipedia

• Gaza Strip — a coastal area on the E Mediterranean: formerly in the Palestine mandate, occupied by Israel 1967 94; since 1994 under Palestinian self rule. * * * Gaza Strip Introduction Gaza Strip Background: The Israel PLO Declaration of Principles on Interim …   Universalium

• Pulsating white dwarf — V777 Herculis star redirects here. For the star, see GD 358. A pulsating white dwarf is a white dwarf star whose luminosity varies due to non radial gravity wave pulsations within itself. Known types of pulsating white dwarfs include DAV, or ZZ… …   Wikipedia

• Main sequence — A Hertzsprung Russell diagram plots the actual brightness (or absolute magnitude) of a star against its color index (represented as B V). The main sequence is visible as a prominent diagonal band that runs from the upper left to the lower right.… …   Wikipedia

• Naine blanche à pulsations — Une naine blanche à pulsations est une étoile naine blanche à la luminosité variable du fait de pulsations d ondes de gravité non radiales dans sa partie interne. Les types connus de naines blanches à pulsations comprennent les étoiles DAV, ou ZZ …   Wikipédia en Français

• Enana blanca — Saltar a navegación, búsqueda Comparación de tamaños entre la enana blanca IK P …   Wikipedia Español

• Пульсирующий белый карлик — Пульсирующие белые карлики  один из типов пульсирующих переменных звёзд. Светимость этих белых карликов меняется из за их нерадиальных пульсаций, вызванных волнами гравитации (gravity wave) (не гравитационными волнами!)[1]. У этих звёзд… …   Википедия

• White dwarf — For other uses, see White dwarf (disambiguation). Image of Sirius A and Sirius B taken by the Hubble Space Telescope. Sirius B, which is a white dwarf, can be seen as a faint pinprick of light to the lower left of the much brighter Sirius A …   Wikipedia

• Stellar evolution — Life cycle of a Sun like star Stellar evolution is the process by which a star undergoes a sequence of radical changes during its lifetime. Depending on the mass of the star, this lifetime ranges from only a few million years (for the most… …   Wikipedia

• Supernova — This article is about the astronomical event. For other uses, see Supernova (disambiguation). Multiwavelength X ray, infrared, and optical compilation image of Kepler s supernova remnant, SN 1604. A supernova is a stellar explosion that is more… …   Wikipedia

• Metallicity — The globular cluster M80. Stars in globular clusters are mainly older metal poor members of Population II. In astronomy and physical cosmology, the metallicity (also called Z[1]) of an object is the proportion of its matter made …   Wikipedia