ASTR 1101 : Astronomy 1101 Final Exam Study Guide
Document Summary
Hydrogen fusion: 4h he + 2v + energy. Mercury: . 4 au;venus: . 5 au; earth: 1 au; mars: On december 10 there will be a total lunar eclipse just at sunrise. It is the tilt of the earth"s axis that dominantly drives the seasons. Without it there would be no significant change in climate. Sun/summer: high in the midday summer sky, so shaft of sunlight is concentrated onto a small area, which heats the ground effectively & makes the days warmer and longer. Sun/winter: low in the midday winter sky, shaft of sunlight is spread out over a large area & less heating of the ground and shorter. Full moon: rising east at sunset and the lunar month starts 15 days later. Ice caps: europa (ice caps), pluto- mars and earth, Mercury- deep inside the cracks the sun never shines. Liquid water: europa- has most liquid water in our solar system.
