astronomers and stars vocabulary flashcards
his theory was that the earth was at the center of the universe
Ptolemy
his theory was that the sun was at the center of the universe
Copernicus
he used several large tools to make the most detailed astronomical observations that have been recorded so far
Brahe, Tycho
he announced that all of the planets revolved around the sun in elliptical orbits and that the sun is not in the exact center of the orbits he also stated three laws of planetary motion
Kepler, Johannes
he was
Galileo
a large reddish star late in its life cycle
Red giant
a small hot dim star that is the leftover center of an old star
White dwarf
a gigantic explosion in which a massive star collapses and throws its outer layers into space
Supernova
an object so massive and dense that even light cannot escape its gravity
Black hole
