Astronomy Flashcards
1
Q
Ptolemy
A
Believed that Earth was the center of the universe and the planets and Sun revolved around the Earth
2
Q
Copernicus
A
Believed that the Sun is the center of the universe and all the planets revolved around the Sun
3
Q
Brahe, Tycho
A
Recorded very precise observations of the planets and stars
4
Q
Kepler, Johannes
A
Used Brahe’s work to determine that all the planets revolve around the Sun in elliptical orbits
5
Q
Galileo
A
Used a telescope to make important discoveries about the moon and Sun
6
Q
Newton, Isaac
A
Discovered that all objects in the universe attract each other through gravitational force
7
Q
Hubble, Edwin
A
Proved that other galaxies exist beyond the Milky Way
