Group A
Scientist who studies outer space
What is an astronomer?
Air that surrounds a planet
What is atmosphere?
A push or a pull
What is a force?
Invisible force that pulls object toward center of planet, moon, or other object
What is gravity?
Large round object in outer space that orbits a star
What is a planet?
A rocky object in outer space
What is an asteroid?
A planet that orbits a star outside of our solar system
What is an exoplanet?
Area around a star that is not too hot or too cold for water to exist
What is Goldilocks zone?
Planet that is called Earth's twin
What is Venus?
The coldest planet
What is Uranus?
It is called the Red Planet.
What is Mars?
Planet with seven rings
What is Saturn?
Planet that moves around sun faster than any other planet
What is Mercury?
Planet with the greatest gravity
What is Jupiter?
Planet with about the same amount of gravity as Earth
What is Neptune?
Planet with three layers: crust, mantle, and core
What is Earth?
The four inner planets
What are Mercury, Venus, Earth, and Mars?
It separates the inner planets from the outer planets.
What is the asteroid belt?
The four outer planets
What are Jupiter, Saturn, Uranus, and Neptune?
First person to walk on the moon
Who is Neil Armstrong?
Distance from the Earth to the sun
What is 93 million miles?
Amount of time it takes light from sun to reach Earth
What is eight minutes?
Another name for robots that are sent to explore other planets
What are rovers?
Number of astronauts who have walked on the moon
What is twelve?
Number of known exoplanet in our solar system
What is five?