Our Solar System
The center of our Solar System
The Sun
The smallest planet is...
Mercury
This dwarf planet was once considered a planet. It was reclassified in 2006.
Pluto
This object is made of dust and ice and is known for its streaking tail.
Comet
99.8% of the mass in the Solar system is within this object.
The Sun
This is the shape of the orbits of every planet in our Solar system.
Ellipse
The largest planet is...
Jupiter
These two planets have no moons.
Mercury and Venus
Most of the asteroids we know of in our Solar System are located here.
Asteroid Belt
This planet rotates in the opposite direction of all the rest.
Venus
How long ago did the Solar System form?
4.6 Billion Years
The coldest planet is...
Neptune
This dwarf planet is located in Asteroid Belt.
Ceres
Once a meteoroid enters Earth's atmosphere it becomes this.
A meteor
This NASA mission sent a spacecraft to fly by the moon in April 2026.
Artemis II
This force keeps the planets in orbit
The Sun's gravity
This planet has the most moons
Saturn
This moon is the largest in our Solar System. It is even bigger than Pluto and Mercury.
If a meteor happens to reach Earth's surface it becomes this .
A Meteorite
This is the number of humans that have walked on the moon.
12
Name the planets in order, starting at the Sun and moving away.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
This planet is most like the Earth
Venus
Name Saturn's largest moon. Its the one that has a thick atmosphere, clouds, and even rain!
Titan
Oort Cloud
The distance from the Sun to Earth is about 93 million miles (150 million kilometers). Scientists use this distance as a unit of measure and call it what?
An astronomical unit (or AU)