PHYS 183 Study Guide - Triple-Alpha Process, Gravitational Energy, Giant Star
Document Summary
Phys 183 the milky way inside and out: not a. Our solar system: sun, mercury, venus, earth, mars, jupiter, saturn, uranus, neptune, pluto + eris (dwarf planets) Earth: earth orbits sun at 100,00 km/hr, earth has a 23. 5 off the axis, sun rotates the galaxy once per. 230 million years at 800,000 km/hr: local group: We always see objects in the past, the time at which light travels (i. e when looking at the sun we see it as it were 8 minutes in the past) How galaxies move with the expansion of the universe: the further apart two galaxies, the faster they are receding from each other, as the visible universe expands, galaxies do too. Grouping of stars (i. e orion) cluster of stars, because these would be grouping of stars in 3d, consolati ons are grouping of stars in 2d: nebula: a cloud of interstellar gas and dust (i. e.
