term1 Definition1term2 Definition2term3 Definition3
Please sign in to your Google account to access your documents:
Heliocentric model
-sun centered: proposed by Nicholas Copernicus in 1530
-less than 100 years ago Galileo Galilei invented the telescope that found solid evidence of the sun being the center of the solar system
Geocentric model
-earth: center of the solar system
-Aristotle's theories were largely based on math and geometry
Cosmological Events
-Solstice: sun reaches its highest or lowest point in the sky at noon
-Equinox: two times a year when day and night are equal
Need help typing ? See our FAQ (opens in new window)
Please sign in to create this set. We'll bring you back here when you are done.
Discard Changes Sign in
Please sign in to add to folders.
Sign in
Don't have an account? Sign Up »
You have created 2 folders. Please upgrade to Cram Premium to create hundreds of folders!