Who is Galileo?
Includes the sun and the objects its gravity holds around it.
What is the solar system?
The closest planet to the Sun.
What is Mercury?
What is Jupiter?
Use to be considered a regular planet.
What is Pluto?
Described the 3 laws that successfully described planetary motion. He stated that a planets orbit isn't a circle but an ellipse.
Who is Johannes Kepler?
What theory model has the Earth as the center of the universe.
What is the geocentric theory.
The second planet from the sun and is the most like the Earth.
What is Venus?
What is Uranus?
The largest SSSBs.
What is Asteroids?
Described the gravitational force.
Who is Isaac Newton?
Theory that models the sun as the center of the universe with the planets and earth orbiting that sun.
What is the heliocentric theory?
The 3rd planet from the sun at a distance of exactly 1 AU.
What is Earth?
Most distant planet from the sun.
What is Neptune?
What are comets?
A wealthy American businessman and astronomer that built his own observatory.
Who is Percival Lowell?
He suggested that the earth wasn't the center of the universe but that the sun was.
Who is Nicolaus Copernicus?
Known as the Red Planet.
What is Mars?
The second largest planet, most well known for its amazing ring system.
What is Saturn?
Also known as a shooting star.
What is a meteor?
Discovered Pluto
Who is Clyde Tombaugh?
The regular, elliptical path one astronomical body takes around another.
What is an orbit?
Is a natural satellite.
What is a moon?
The largest planet in our solar system.
What is Jupiter?
What is a meteorite?