A heavenly body that orbits a planet is called a .....
moon
Something that orbits a heavenly body.... the moon is considered a natural one of these
Satellite
A person who travels in outer space is an....
Astronaut
A hole on the surface of a moon or planet made by another heavenly body hitting it
Crater
A large piece of rock that orbits the sun
Asteroid
A small piece of space rock traveling in space, often a piece of an asteroid.
Meteoroid
When all of the moon is visible it is a....
full moon
When the moon is not visible at all it is a.....
new moon
Movement of the oceans caused by the moon's gravity
ocean tides
A tool that tells time by using the sun
sundial
Constant means things....
stay the same
A spacecraft where scientists can live and work while orbiting Earth
space station
A type of rope that keeps an astronaut from floating into space
tether
An unmanned spacecraft, such as a rover or lander, that collects pictures and data in space.
Space probe
The earth's orbit around the sun gives us our.....
year
The moon's cycle in the sky helps us to measure our...
months
