The Solar System
This is the star at the center of our solar system.
Sun
The Moon goes around this planet.
Earth
These tiny lights twinkle in the night sky.
Stars
People use these to fly into space.
rockets (or spaceships)
This is the biggest planet in our solar system.
Jupiter
This is the third planet from the Sun.
Earth
When the Moon covers the Sun, it’s called this.
solar eclipse
Our Sun is one of these.
Star
A person who goes to space is called this.
astronaut
This planet is closest to the Sun.
Mercury
This red planet is sometimes called Earth's “twin.”
Mars
The Moon doesn’t make its own light—it reflects this.
Sunlight
A group of stars that makes a shape or pattern.
constellation
This country was the first to send a person to the Moon.
USA
This planet is covered in thick clouds and is very hot.
Venus
his planet has giant rings around it.
Saturn
This animal-shaped constellation is also known as the "Great Bear."
Ursa Major
This famous constellation looks like a spoon or dipper.
Big or small Dipper
This tool helps scientists see planets and stars from Earth.
telescope
This planet has blue color and strong winds.
Neptune
This planet is the farthest from the Sun
Neptune
Stars are born inside these big clouds of gas and dust.
nebula
This galaxy is the home of our solar system.
Milky Way
This building orbits Earth and astronauts live there.
International Space Station (ISS)
This small, icy world was once called the ninth planet.
Pluto