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Astronomy - Part 1

Horizontales
Astronomer who discovered that the planets orbited the sun in elliptical orbits versus circular orbits.
One of the first astronomers to use a telescope to see space
The philosopher who proposed the theory that the objects in space revolve around the sun.
The name of the model that shows the sun at the center of the universe.
a small, rocky body that revolves around the sun. Most likely pieces of asteroids.
The name of the scientific theory that explains how the universe was formed by a giant explosion.
Small, rocky bodies that revolve around the sun, found in the belt between Mars and Jupiter.
The philosopher who thought all of the objects in space orbited around the Earth.
The force (caused by the sun) that keeps the planet from flying off into space.
Verticales
The force (caused by Earth's orbit) that keeps the planet from crashing into the sun.
The name of the astronomer who first realized that there were galaxies that exist outside of our own
The type (shape) of galaxy that you live in.
The name of the model that shows the Earth at the center of the universe.
The name of galaxy that you live in.
A small body of ice, rock, and cosmic dust loosely packed together. Also called a "dirty snowball".
The force that pulls two objects together.