cool dwarf stars

Mira otros diccionarios:

• 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

• Red dwarf — According to the Hertzsprung Russell diagram, a red dwarf star is a small and relatively cool star, of the main sequence, either late K or M spectral type. They constitute the vast majority of stars and have a mass of less than one half that of… …   Wikipedia

• 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

• white dwarf star — Any of a class of small, faint stars representing the end point of the evolution of stars without enough mass to become neutron stars or black holes. Named for the white colour of the first ones discovered, they actually occur in a variety of… …   Universalium

• Brown dwarf — Brown dwarfs are sub stellar objects which are too low in mass to sustain hydrogen 1 fusion reactions in their cores, which is characteristic of stars on the main sequence. Brown dwarfs have fully convective surfaces and interiors, with no… …   Wikipedia

• List of nearest stars — Artist s conception of a red dwarf star, the most common type of star in the Sun s stellar neighborhood, and in the universe. Although termed a red dwarf, the surface temperature of this star would give it an orange hue when viewed from close… …   Wikipedia

• Black dwarf — A black dwarf is a hypothetical star, created when a white dwarf becomes sufficiently cool to no longer emit significant heat or light. Since the time required for a white dwarf to reach this state is calculated to be longer than the current age… …   Wikipedia

• List of Red Dwarf characters — This is a list of characters from the TV sitcom Red Dwarf. Contents 1 Major characters 2 Alter egos 2.1 Ace Rimmer 2.2 Duane Dibbley …   Wikipedia

• brown dwarf — Astron. a cold, dark star that is too small to initiate the nuclear reactions that generate heat and light. * * * Astronomical object intermediate in mass between a planet and a star. Sometimes described as failed stars, brown dwarfs are believed …   Universalium

• red dwarf — noun a small, old, relatively cool star; approximately 100 times the mass of Jupiter • Syn: ↑red dwarf star • Hypernyms: ↑star • Hyponyms: ↑flare star * * * noun : a star at the lower end of the main sequence in the spectrum luminosity diagram h …   Useful english dictionary

• List of least massive stars — This is a list of the least massive stars known. The list is ordered by solar mass and Jovian mass.This list includes brown dwarfs and red dwarfs. The name of each brown dwarf has background color brown, and the names of and red dwarfs are… …   Wikipedia