ASTR 120 Final: ASTR 120 Final Exam Formula Sheet

• School: University of Maryland
• Department: Astronomy
• Course: ASTR 120
• Professor: Derek Richardson

Document Summary

D/d p = mv l = mv r. F/m = 4gm r/d3 q = a(1 e) E = ke + gp e vcirc = pgm/r vesc = p2gm/r = 2vcirc. Photon energy ( o s)/ s = v/c (v c) 1 ly = 9. 461 1015 m = 6. 324 104 au. 1 pc = 3. 086 1016 m = 3. 262 ly = 2. 063 105 au. 1 yr = 365. 25 d/yr 24 h/d 60 min/h 60 s/min = 3. 15576 107 s. L = 3. 839 1026 w mh = 1. 674 10 27 kg. Boltzmann constant c = 2. 998 108 m s 1. G = 6. 673 10 11 m3 kg 1 s 2 h = 6. 626 10 34 m2 kg s 1.