astronomy

Question 1

believed that the Earth was the center of the universe and the planets and Sun revolved around the Earth

Answer 1

ptolemy

Question 2

believed that the sun is the center of the universe and all the planets revolved around the Sun

Answer 2

copernicus

Question 3

recorded very precise observations of the planets and stars

Answer 3

brahe

Question 4

used brahe’s work to determine that all the planets revolve around the sun in elliptical orbits

Answer 4

kepler

Question 5

used a telescope to make important discoveries about the moon and Sun

Answer 5

galileo

Question 6

discovered that all objects in the universe attract each other through gravitational force

Answer 6

issac newton

Question 7

proved that other galaxies exist beyond the Milky Way

Answer 7

hubble

Question 8

a constellation that means greater bear

Answer 8

ursa major (big dipper)

Question 9

a constellation that means little bear

Answer 9

ursa minor (little dipper)

Question 10

a constellation shaped like a greek hunter

Answer 10

orion

Question 11

a constellation shaped like a dog, one of “orion’s” hunting dogs

Answer 11

canis major

Question 12

a constellation shaped like a ‘w’ named after the former queen

Answer 12

cassiopeia

Question 13

a large, reddish star late in its life cycle

Answer 13

red giant

Question 14

a small, hot, dim star that is the leftover center of an old star

Answer 14

white dwarf

Question 15

the location on the H-R diagram where most stars lie

Answer 15

main-sequence

Question 16

a gigantic explosion in which a massive star collapses and throws its outer layers into space

Answer 16

supernova

Question 17

an object so massive and dense that even light cannot escape its gravity

Answer 17

black hole

Question 18

a difference in the position of an object

Answer 18

parallax

Question 19

5,878,625,370,000 miles

Answer 19

light-year

Question 20

a star in ursa minor (little dipper)

Answer 20

polaris