quiz 4

Question 1

scientific method

Answer 1

1. observation
2. hypothesis
3. experimentation and testing
4. theory
5. scientific law

Question 2

eratosthenes

Answer 2

used triangulation to measure the shape and size of earth

Question 3

direct motion

Answer 3

eastern motion of the planets in our sky

Question 4

retrograde motion

Answer 4

the w loop motion, all illusion cause by the earth catching up to the planet and passing it, planet appears brightest

Question 5

deferent

Answer 5

large circle the planets moved around earth in

Question 6

epicycle

Answer 6

smaller circle the planets move on

Question 7

copernicus

Answer 7

explained why the planets vary in brightness and why they appear to make a looping motion

Question 8

Galileo galilei discoveries

Answer 8

mtns and valleys on moon
sun’s rotation
Jupiter’s 4 largest moons
phases of Venus

Question 9

sidereal period

Answer 9

the true orbital period of a planet

Question 10

synodic period

Answer 10

time between opposition

Question 11

how long does jt take mars to orbit the sun

Answer 11

687 days

Question 12

how long does it take Venus to orbit the sun

Answer 12

224.7 days

Question 13

how long does it take pluto to orbit the sun

Answer 13

248 years

Question 14

mars synodic period

Answer 14

780 days

Question 15

Pluto synodic period

Answer 15

367 days

Question 16

greatest Eastern elongation

Answer 16

top of <, farthest east

Question 17

greatest western elongation

Answer 17

bottom of <, farthest west

Question 18

opposition (farther away planets)

Answer 18

retrograde position, closest to earth

Question 19

inferior conjunction

Answer 19

closest to earth, closer planets

Question 20

superior conjuction

Answer 20

farthest away from earth, inner planets

Question 21

guest stars

Answer 21

stars that exploded a long time ago

Question 22

cosmology

Answer 22

the basic structure and origin of our concept of the cosmos

Question 23

parallax

Answer 23

the apparent shift in the direction of an object as a result of the motion of the observer

Question 24

stellar parallax

Answer 24

the shift in the appaeent direction of a starndue to earth’s orbital motion

Question 25

precession

Answer 25

wobble of the earth