Astronomy Flashcards
(20 cards)
Believed Earth was the center of the universe and the planets and sun revolved around the Earth.
Ptolemy
Believed the sun is the center of the universe and all the planets revolved around the sun.
Copernicus
Recorded very precise observations of the planets and stars.
Brahe
Use Brahe work to determine that all the planets revolve around the sun in elliptical orbits.
Kepler
used a telescope to make important discoveries about the moon and sun.
Galileo
Discovered that all objects in the universe attract each other through gravitational force.
Newton
proved that other galaxies exist beyond the Milky Way.
Hubble
The Great Bear, or big dipper constellation in the Northern Sky.
Ursa Major
Little dipper or little bear in the Northern Sky.
Ursa Minor
Known as the hunter in the winter Northern Sky.
Orion
Known as the Greater dog in the Southern Sky.
Canis Major
A w or m in the Northern Sky.
Cassiopeia
Star in its largest state of life.
Red Giant
Core of a star that sheds its outer layer.
White Dwarf
A star in a stable phase of life.
Main-sequence star
A powerful explosion of a star.
Supernova
Massive, astronomical object.
Black Hole
A stars shift in position.
Parallex
A unit of distance
Light-year
Star located in the Ursa Minor.
Polaris
