Astronomy Flashcards
What was special about Ptolemy
He was the first person who thought that the Earth was the center of the universe and the sun and other planets revolved around the Earth
Who is Copernicus
Copernicus is someone who thought that the sun was the center of the universe and that the planets revolved around the sun
Brahe, Tycho
Brahe, Tycho is somebody who is famous for creating astronomical instruments
Kepler, Johannes
Kepler, Johannes is famous for his three laws of planetary motion
Galileo
Galileo is famous for his discovery of four massive moons that circle Jupiter
Newton, Isaac
Newton, Isaac is most famous for creating the three laws of motion
Hubble, Edwin
Hubble, Edwin is famous for coming up with the idea that there are more universes then just our own
Ursa Major
A constellation in the sky(Big Dipper)
Ursa Minor
A constellation in the northern sky(Little Dipper)
Orion
Orion is a constellation located on the celestial equator
Canis Major
A constellation in the southern sky(Greater Dog)
Cassiopeia
A constellation in the northern sky
Red Giant
A dying star
White Dwarf
A medium/low mass star
Main-sequence star
A star burning hydrogen in its core
