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Physics 202: Introduction to Astronomy – Lecture 6. Carsten Denker Physics Department Center for Solar–Terrestrial Research. Reflecting and refracting telescopes Prime focus Image formation Newtonian and Cassegrain telescopes Coudé focus Collecting area Angular resolution Diffraction.
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Physics 202: Introduction to Astronomy – Lecture 6 Carsten Denker Physics Department Center for Solar–Terrestrial Research
Reflecting and refracting telescopes Prime focus Image formation Newtonian and Cassegrain telescopes Coudé focus Collecting area Angular resolution Diffraction Seeing Image processing Active Optics Adaptive Optics Radio Astronomy Interferometry X-ray and γ-ray Astronomy Multi-wavelength observations Chapter 3.1 – 3.5 Center for Solar-Terrestrial Research
Telescopes Center for Solar-Terrestrial Research
Telescope Types Center for Solar-Terrestrial Research
Sensitivity and Angular Resolution Rayleigh criterion Center for Solar-Terrestrial Research
Seeing and Adaptive Optics Center for Solar-Terrestrial Research
Radio Astronomy Center for Solar-Terrestrial Research
Solar system Sun Terrestrial planets Jovian planets Asteroids Meteoroids Comets Asteroid belt Trojan asteroids Earth-crossing asteroids Comet nucleus, coma, and hydrogen envelope Ion and dust tail Solar wind Kuiper belt Oort cloud Meteors and meteorites Comet break-up Chapter 4.1 ‒ 4.2 Center for Solar-Terrestrial Research
Mass (kg) 1.989e+30 Mass (Earth = 1) 332,830 Equatorial radius (km) 695,000 Equatorial radius (Earth = 1) 108.97 Mean density (gm/cm3) 1.410 Rotational period (days) 25-36 Escape velocity (km/sec) 618.02 Luminosity (ergs/sec) 3.827e33 Magnitude (Vo) -26.8 Mean surface temperature 6,000°C Age (billion years) 4.5 • Principal chemistry • Hydrogen • Helium • Oxygen • Carbon • Nitrogen • Neon • Iron • Silicon • Magnesium • All others 92.1%7.8%0.061%0.030%0.0084%0.0076%0.0037%0.0031%0.0024%0.0030% Sun – Overview Center for Solar-Terrestrial Research
Solar System Center for Solar-Terrestrial Research
Solar System Objects Center for Solar-Terrestrial Research
Asteroids Center for Solar-Terrestrial Research
Extinction Level Events Center for Solar-Terrestrial Research
Comets Center for Solar-Terrestrial Research
Ion and Dust Tail Center for Solar-Terrestrial Research
Kuiper Belt and Oort Cloud Center for Solar-Terrestrial Research