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Asymptotic Giant Branch

См. также в других словарях:

  • Asymptotic giant branch — The asymptotic giant branch is the region of the Hertzsprung Russell diagram populated by evolving low to medium mass stars. This is a period of stellar evolution undertaken by all low to intermediate mass stars (0.6 10 solar masses) late in… …   Wikipedia

  • Tip of the red giant branch — (TRGB) is a primary distance indicator used in astronomy. It uses the luminosity of the brightest red giant branch stars in a galaxy to gauge the distance to that galaxy. It has been used in conjunction with observations from the Hubble Space… …   Wikipedia

  • Giant star — Hertzsprung–Russell Diagram Spectral Type Bro …   Wikipedia

  • Red giant — A red giant is a luminous giant star of low or intermediate mass (roughly 0.5 ndash;10 solar masses) that is in a late phase of stellar evolution. The outer atmosphere is inflated and tenuous, making the radius immense and the surface temperature …   Wikipedia

  • Blue giant — For other uses, see Blue giant (disambiguation). Hertzsprung–Russell Diagram Spectral Type …   Wikipedia

  • Bright giant — Hertzsprung–Russell Diagram Spectral Type Br …   Wikipedia

  • Horizontal branch — The horizontal branch (HB) is a stage of stellar evolution which immediately follows the red giant branch in stars whose masses are similar to the Sun s. Horizontal branch stars are powered by helium fusion in the core (via the triple alpha… …   Wikipedia

  • AGB — Asymptotic Giant Branch (Stars) Contributor: CASI …   NASA Acronyms

  • Formation and evolution of the Solar System — Artist s conception of a protoplanetary disk The formation and evolution of the Solar System is estimated to have begun 4.568 billion years ago with the gravitational collapse of a small part of a giant molecular cloud …   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

  • 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

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