Mustafa A. Amin Asst. Professor of Physics and Astronomy PDF
51 Pages·2016·31.86 MB·English
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Preview Mustafa A. Amin Asst. Professor of Physics and Astronomy
“seeing” the invisible: dark matter & dark energy Mustafa A. Amin ! Asst. Professor of Physics and Astronomy an orientation we are here we are here Image Credit: Hubble Ultra-Deep Field, NASA/ESA a lot of stuff ! ~ 100 billion ~ 100 billion all this “stuff ” — 5% ? 95% 68.3% DARK ENERGY 26.7% DARK MATTER STARS, GAS, ETC 5%
Description:how can we “see” the invisible? Credit: NASA. 150 million km speed = 30 km/s. Msun = v. 2 r. G. Mass of Sun ≈ 2 × 10. 30 kg. Msun = 2 ⇥ 10. 30 kg
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