Stellar evolution

Results: 975



#Item
271Periodic table / Protoplanetary nebula / Asymptotic giant branch / Circumstellar envelope / Ratio / Oxygen / Stellar evolution / Chemistry / Matter

Astronomy & Astrophysics A&A 556, L1DOI:

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272Physics / Stellar evolution / Astrophysics / Exotic matter / Stellar astronomy / White dwarf / Star / Main sequence / Stellar classification / Astronomy / Star types / Matter

Institute of Astronomy, National Central University PHD QUALIFYING EXAMINATION — STELLAR ASTROPHYSICS 28th May, points) A model star of mass M has a density distribution ρ = ρc [1 − (r/R)a ], where a >

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Source URL: www.astro.ncu.edu.tw

Language: English - Date: 2014-05-12 00:06:46
273Stellar astronomy / Astrophysics / Electromagnetic radiation / Stellar evolution / Radiative transfer / Star / Opacity / Luminosity / White dwarf / Physics / Astronomy / Star types

Question 5. (a) Suppose the Local Thermodynamic Equilibrium assumption holds for the stellar atmosphere. Prove that for the optically thin line, the absorption line depth R can be written as R where

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Source URL: www.astro.ncu.edu.tw

Language: English - Date: 2014-05-12 00:06:46
274Light sources / Stellar astronomy / Space plasmas / Stellar evolution / Supernovae / Supernova remnant / Supernova / Stellar wind / Star / Astronomy / Astrophysics / Space

Astronomy & Astrophysics A&A 541, L8DOI:

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275Interacting galaxies / Light sources / Stellar evolution / Starburst galaxy / Cosmic distance ladder / Galaxy / Arp 220 / Arp 299 / Supernova / Astronomy / Space / Standard candles

Astronomy & Astrophysics A&A 540, L5DOI:

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276Stellar classification / White dwarf / Astronomy / Astrophysics / Physics / Matter / Star types / Stellar evolution

Astronomy & Astrophysics A&A 544, L6DOI:

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277Stellar astronomy / Space / Stellar evolution / Astrophysics / Star / Luminosity / White dwarf / Stellar structure / Absolute magnitude / Physics / Astronomy / Star types

Institute of Astronomy, National Central University PHD QUALIFYING EXAMINATION — STELLAR ASTROPHYSICS 26th May, points) A stellar atmosphere in which the opacity is assumed to be independent of wavelength

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Source URL: www.astro.ncu.edu.tw

Language: English - Date: 2014-05-12 00:06:46
278Comet / Asteroid / Space / Rubble pile / Rubble / Star / Planetary science / Asteroids / Astronomy / Stellar astronomy

Microsymposium 34, MS047, 2001 SOME PROBLEMS OF THE EVOLUTION OF ASTEROIDS – RUBBLE PILE. G. A Leikin, A. N. Sanovich. Sternberg Astronomical Institute, Moscow, Russia. We consider the evolution of an asteroid

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Source URL: selena.sai.msu.ru

Language: English - Date: 2008-10-06 10:10:01
279Large-scale structure of the cosmos / Galaxy clusters / Galaxy formation and evolution / Stellar evolution / Galaxies / Dark matter / Milky Way / Atlas of Peculiar Galaxies / Galaxy merger / Astronomy / Physics / Extragalactic astronomy

Set 3: Galaxy Evolution Environment .

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Source URL: background.uchicago.edu

Language: English - Date: 2015-03-20 18:07:12
280Astrophysics / Protoplanetary nebula / Planetary nebula / Bipolar outflow / Nebula / Stellar classification / Star / Asymptotic giant branch / White dwarf / Stellar evolution / Astronomy / Space

Herschel/HIFI observations of high-J CO transitions in the protoplanetary nebula CRL 618

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