ASTR 1101 Lecture : ASTRONOMY FINAL NOTES
Document Summary
Pole without rising or setting are called circumpolar. Zodiac: tropical zodiac- 12 constellations, used in astrology, sidereal zodiac- tropical zodiac, updated for precession of earth"s axis, iau zodiac- 13 constellations that the sun currently passes in front of over the year. Vi. position: 23hrs 56min 4. 091sec, depends only on earth"s rotation. Phases of the moon: order of the phases, new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent, this cycle takes 29. 5 days or just shy of one month. Scientific method: 1st step- collect data, 2nd step- analyze data, 3rd step- develop and explanation, 4th step- find other ways to test the hypothesis. Sunspots: dark spots on the sun"s surface that move at a regular speed, the sun rotates. Features on the moon: has mountains and valley. Venus: goes through a full set of phases.
