Astro-Physics

Results: 813



#Item
261Space / Jay Pasachoff / Corona / Physics / Astronomy / Eclipses / Solar eclipse

arXiv:1108.3486v2 [astro-ph.SR] 19 AugThe U.S. Eclipse Megamovie in 2017: a white paper on a unique outreach event H. S. Hudson1,2 , S. W. McIntosh3 , S. R. Habbal4 , J. M. Pasachoff5 , and L. Peticolas1 1

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Source URL: lunasox.gsfc.nasa.gov

Language: English - Date: 2011-09-16 14:20:25
262Astrophysics / Large-scale structure of the cosmos / Galactic astronomy / Dark matter / Galaxy rotation curve / Spiral galaxy / Galaxy / Big Bang / Redshift / Physics / Astronomy / Physical cosmology

Qualification Examination—Galactic and Extragalactic Astronomy May, Motion of the Galaxy: (a) How do we know the sun is moving with respect to the nearby stars, i.e., how do we know the motion of the sun relati

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

Language: English - Date: 2014-05-12 00:06:46
263Stellar astronomy / Galactic astronomy / Star formation / Local Group / Spiral galaxies / Dark matter / Star / Globular cluster / Galaxy / Physics / Astronomy / Space

PHD QUALIFY EXAMINATION — GALACTIC AND EXTRAGALACTIC ASTROPHYSICS 2nd October, points) A disk-shaped rotating galaxy is seen edge on. By Doppler-shift spectroscopic measurements we can determine the speed

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

Language: English - Date: 2014-05-12 00:06:46
264Physics / Stellar astronomy / Light sources / Stellar evolution / Space plasmas / Sun / Star / White dwarf / Red giant / Astronomy / Space / Star types

PhD Qualifying ExamStellar Astrophysics Cloud Collapse and Star Formation (10%) An interstellar cloud has a density ρ=2×10−21 km m−3, and a temperature T=10 K. Derive its Jeans mass. How does this c

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

Language: English - Date: 2014-05-12 00:06:46
265Cosmic rays / Ultra-high-energy cosmic ray / Pierre Auger Observatory / Greisen–Zatsepin–Kuzmin limit / Air shower / Akeno Giant Air Shower Array / Particle shower / Institute for Cosmic Ray Research / Telescope Array Project / Physics / Astrophysics / Astroparticle physics

arXiv:1408.1726v3 [astro-ph.HE] 5 NovStudy of Ultra-High Energy Cosmic Ray Composition Using Telescope Array’s Middle Drum Detector and Surface Array in Hybrid Mode R.U. Abbasia , M. Abem , T. Abu-Zayyada , M. A

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Source URL: arxiv.org

Language: English - Date: 2014-11-06 20:31:27
266Astronomy / Astrophysics / Light sources / Sun / Corona / Solar flare / Magnetar / Mass / Gravitation / Physics / Plasma physics / Space plasmas

ASTRO 101 – M.M. Montgomery montgomery@physics,ucf.edu Solar Flare Energy Source Homework Problem LWS Heliophysics Summer School 2013 Target Audience: Upper Division Undergraduate Majors or First Year Grad Students Con

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Source URL: www.heliophysics.ucar.edu

Language: English - Date: 2014-03-27 14:52:44
267Astronomy / Astrophysics / Light sources / Sun / Corona / Solar flare / Magnetar / Mass / Gravitation / Physics / Plasma physics / Space plasmas

ASTRO 101 – M.M. Montgomery montgomery@physics,ucf.edu Solar Flare Energy Source Homework Problem LWS Heliophysics Summer School 2013 Target Audience: Upper Division Undergraduate Majors or First Year Grad Students Con

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Source URL: www.vsp.ucar.edu

Language: English - Date: 2014-03-27 14:52:44
268Space / Astrophysics / Astrometry / Cosmic distance ladder / Redshift / Quasar / Galaxy / Star / Gamma-ray burst / Astronomy / Physics / Physical cosmology

Institute of Astronomy, National Central University PHD QUALIFYING EXAMINATION — GALACTIC AND EXTRAGALACTIC ASTROPHYSICS 27th May, points) (a) (10 points) Derive the Eddington luminosity.

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

Language: English - Date: 2014-05-12 00:06:46
269Physical cosmology / Large-scale structure of the cosmos / Galaxy formation and evolution / Stellar evolution / Galaxy / Star / The Dark Energy Survey / Spiral galaxy / Redshift / Astronomy / Physics / Space

Institute of Astronomy, National Central University PHD QUALIFYING EXAMINATION — GALACTIC AND EXTRAGALACTIC ASTROPHYSICS 9:00–13:00, 21st May, points) Mass of galaxies and cluster of galaxies (a) (5 poin

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

Language: English - Date: 2014-07-03 00:20:16
270Chemical engineering / Atmospheric thermodynamics / Gas / Pressure / Ideal gas law / Equation of state / Electron / Physics / Fluid dynamics / Fluid mechanics

PHD QUALIFY EXAMINATION — STELLAR ASTROPHYSICS September, points) In a clear night, a star has an apparent magnitude of mv = 6.80 when it is at zenith angle of 30◦ , and mv = 6.97 when it is at zenith an

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

Language: English - Date: 2014-05-12 00:06:46
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