The only planet that is habitable
Earth
An unmanned spacecraft, such as a rover or lander, that collects pictures and data in space.
Space probe
The Red Planet is....
Mars
Constant means things....
stay the same
A large piece of rock that orbits the sun
Asteroid
A heavenly body that orbits a planet is called a .....
moon
A type of rope that keeps an astronaut from floating into space
tether
The earth continuously spins or rotates on it....
Axis
The largest planet with rings
Saturn
This planet is tipped on its side
Uranus
What is the center of our solar system?
The sun
The planets orbit the sun because of the suns....
Gravity
The rotation of the earth on its axis gives us our....
days and nights
Movement of the oceans caused by the moon's gravity
ocean tides
The smallest planet is....
Mercury
A person who travels in outer space is an....
Astronaut
The smallest planet, aka Earth's twin
Venus
The earth's orbit around the sun gives us our.....
year
Something that orbits a heavenly body.... the moon is considered a natural one of these
Satellite
Name the planets in order
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
The tilt of the sun toward or away from the sun gives us our....
seasons
When all of the moon is visible it is a....
full moon
The largest planet.... has the Great Red Spot
Jupiter
This planet takes the longest to orbit the sun
Neptune
The side of Earth that faces the sun has day or night?
Day
A spacecraft where scientists can live and work while orbiting Earth
space station
A small piece of space rock traveling in space, often a piece of an asteroid.
Meteoroid
The moon's cycle in the sky helps us to measure our...
months
When the moon is not visible at all it is a.....
new moon
A tool that tells time by using the sun
sundial
How is the moon able to be bright in the sky?
It reflects the sun's light
A hole on the surface of a moon or planet made by another heavenly body hitting it
Crater
What is the name of our galaxy?
The Milky Way Galaxy