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Science >> Physics >> Astronomy
Solar System

Astronomy

The Solar System

The center of the Solar System is the Sun. The Solar System is made up of the Sun and all the planets, asteroids, and other objects that orbit the Sun.

The Planets

There are eight planets in our Solar System. Starting with the closest to the sun they are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. The closest four planets (Mercury, Venus, Earth, and Mars) are termed terrestrial planets, meaning they have a hard rocky surface. The furthest four planets (Jupiter, Saturn, Uranus, and Neptune) are called gas giants. These planets are much larger and their surface is composed of gas elements (mostly hydrogen).

Planets of the Solar System
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view of the solar system and the planets.
Other Objects

In addition to the Sun and the eight planets, there are other objects that are part of the Solar System. Milky Way

The Solar System is part of a bigger grouping of stars called a galaxy. Our galaxy is the Milky Way. The Solar System orbits around the center of the Milky Way.

Interesting Facts about the Solar System Activities

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Take a quick 10 question quiz on the Solar System.

More Astronomy Subjects

The Sun and Planets
Solar System
Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto

Universe
Universe
Stars
Galaxies
Black Holes
Asteroids
Meteors and Comets
Sunspots and Solar Wind
Constellations
Solar and Lunar Eclipse

Other
Telescopes
Astronauts
Space Exploration Timeline
Space Race
Nuclear Fusion
Astronomy Glossary

Science >> Physics >> Astronomy





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