Astronomy 101 Midterm #1: Leonard SDSU
1. star large bodies that consistently produce their own light
2. light year distance light travels during a year
3. latitude # of degrees you are away from the equator along your meridian
4. longitude angular distance around the Earth measured by the equator
5. sun enormous ball of glowing gas that produces major amounts of en-
ergy by nuclear reactions
6. horizon where the dome meets the earth
7. celestial sphere idea of an actual sphere with stars embedded in the sky like small
jewels
8. zenith point directly above head
9. polaris star very close to the north pole
10. circumpolar stars that never rise or set
11. planets wandering stars
12. ecliptic path sun appears to take around the celestial sphere each year
13. constellation grouping stars so that they're easier to navigate
14. asterism a specifically noticeable part of a constellation
15. zodiac narrow, 18 degree wide belt where the planets, sun and moon are
found
16. retrograde motion temporary, apparent westward motion of a planet as earth swings
between it and the sun
1/6
, Astronomy 101 Midterm #1: Leonard SDSU
17. parallax apparent shift in direction of an object as a result of motion of the
observer
18. cosmology basic structure and origin of the universe
19. geocentric idea that everything revolves around the earth
20. heliocentric idea that everything revolves around the sun
21. Aristotle heliocentric view, argued that the earth was a sphere
22. eclipse passing of one body into the shadow of another
23. lunar eclipse moon passes into the shadows of the earth
24. eratothenes he estimated the circumference of the earth
25. epicycle explained that observed motion of the planets by having each planet
revolve in a small orbit
26. Aristarchus he suggested the heliocentric theory but we don't have writing to
prove this
27. copernicus believed the sun was in the center of the universe
28. De Revoltionibus Copernicus' book about the sun being in the center of the universe
29. telescope makes objects larger and brighter
30. galileo used the telescope for astronomy and disproved the geocentric the-
ory
31. astrology influence of sun, moon and planets on a person's destiny
32. hipparchus responsible for star catalog and precession of earth's axis
2/6
1. star large bodies that consistently produce their own light
2. light year distance light travels during a year
3. latitude # of degrees you are away from the equator along your meridian
4. longitude angular distance around the Earth measured by the equator
5. sun enormous ball of glowing gas that produces major amounts of en-
ergy by nuclear reactions
6. horizon where the dome meets the earth
7. celestial sphere idea of an actual sphere with stars embedded in the sky like small
jewels
8. zenith point directly above head
9. polaris star very close to the north pole
10. circumpolar stars that never rise or set
11. planets wandering stars
12. ecliptic path sun appears to take around the celestial sphere each year
13. constellation grouping stars so that they're easier to navigate
14. asterism a specifically noticeable part of a constellation
15. zodiac narrow, 18 degree wide belt where the planets, sun and moon are
found
16. retrograde motion temporary, apparent westward motion of a planet as earth swings
between it and the sun
1/6
, Astronomy 101 Midterm #1: Leonard SDSU
17. parallax apparent shift in direction of an object as a result of motion of the
observer
18. cosmology basic structure and origin of the universe
19. geocentric idea that everything revolves around the earth
20. heliocentric idea that everything revolves around the sun
21. Aristotle heliocentric view, argued that the earth was a sphere
22. eclipse passing of one body into the shadow of another
23. lunar eclipse moon passes into the shadows of the earth
24. eratothenes he estimated the circumference of the earth
25. epicycle explained that observed motion of the planets by having each planet
revolve in a small orbit
26. Aristarchus he suggested the heliocentric theory but we don't have writing to
prove this
27. copernicus believed the sun was in the center of the universe
28. De Revoltionibus Copernicus' book about the sun being in the center of the universe
29. telescope makes objects larger and brighter
30. galileo used the telescope for astronomy and disproved the geocentric the-
ory
31. astrology influence of sun, moon and planets on a person's destiny
32. hipparchus responsible for star catalog and precession of earth's axis
2/6
