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741	PHD QUALIFY EXAMINATION — STELLAR ASTROPHYSICS 10th July, points) (a) Show that the outward pressure required to support a normal star of mass M and radius R is approximately M 2 G/R4 . In general the outw Add to Reading List Source URL: www.astro.ncu.edu.tw Language: English - Date: 2014-05-12 00:06:46 Stellar astronomy Astrophysics Space plasmas Physical phenomena Radiation pressure Eddington luminosity Star Photon Sun Physics Matter Light sources
742	M ICHAEL C. L IU Institute for Astronomy 2680 Woodlawn Drive University of Hawai‘i Honolulu, HI 96822 Add to Reading List Source URL: www.ifa.hawaii.edu Language: English - Date: 2010-10-11 06:15:20 Brown dwarf Stellar classification Young stellar object Extrasolar planet Star James R. Graham Carbon star W. M. Keck Observatory Astronomy Star types Space
743	PHD QUALIFY EXAMINATION — STELLAR ASTROPHYSICS 2nd March, points) An A type star has M = 2M , L = 12L , and Teﬀ = 8000 K. (a) Estimate its radius. Add to Reading List Source URL: www.astro.ncu.edu.tw Language: English - Date: 2014-05-12 00:06:46 Space Star Stellar structure Stellar evolution Virial theorem White dwarf Dyson sphere Stellar astronomy Physics Astronomy
744	PHD QUALIFY EXAMINATION — STELLAR ASTROPHYSICS September, points) Consider a pure hydrogen stellar envelope at ρ = 10−8 g cm−1 and T = 20, 000 K. (a) (5 points) Calculate the relative populations of t Add to Reading List Source URL: www.astro.ncu.edu.tw Language: English - Date: 2014-05-12 00:06:46 Stellar evolution Space Stellar astronomy Astrophysics Dark matter White dwarf Star Chandrasekhar limit Hydrogen Astronomy Matter Star types
745	Astronomy & Astrophysics A&A 569, L4DOI: Add to Reading List Source URL: www.aanda.org Language: English Space dust Stellar astronomy European Southern Observatory Telescopes Very Large Telescope Protoplanetary nebula Cosmic dust Star Variable star Astronomy Space Star types
746	Investigating the Protoplanetary Disk around the Young Star HD163296 —————————————————————————————————— Add to Reading List Source URL: ucat.es.ntnu.edu.tw Language: English - Date: 2015-02-24 22:56:24 Star Stellar astronomy
747	Astronomy & Astrophysics A&A 534, L10DOI: Add to Reading List Source URL: www.aanda.org Language: English Stellar evolution Standard candles Light sources Observational astronomy Nebulae IRAS 17163-3907 Protoplanetary nebula Extinction Cosmic distance ladder Astronomy Space Astrophysics
748	Astronomy & Astrophysics A&A 569, L7DOI: Add to Reading List Source URL: www.aanda.org Language: English Space plasmas Science Sun Light sources Spectroscopy Corona Stellar classification Absorption spectroscopy Chromosphere Physics Chemistry Plasma physics
749	ISSN 00380946, Solar System Research, 2010, Vol. 44, No. 6, pp. 507–519. © Pleiades Publishing, Inc., 2010. Original Russian Text © V.V. Busarev, 2010, published in Astronomicheskii Vestnik, 2010, Vol. 44, No. 6, pp Add to Reading List Source URL: selena.sai.msu.ru Language: English - Date: 2011-05-17 08:33:03 21 Lutetia 4 Vesta S-type asteroid Dawn Reflectivity Stellar classification Vesta Infrared 243 Ida Planetary science V-type asteroid Asteroid
750	Astronomy & Astrophysics A&A 526, L6DOI: Add to Reading List Source URL: www.aanda.org Language: English Spectroscopy Emission spectroscopy Analytical chemistry Observational astronomy Star types Stellar classification Accretion disc Astronomical spectroscopy Balmer series Physics Chemistry Science

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