Outer Space for Kids
Solar System, Stars, Galaxies, Comets
Free Games & Activities
Astronomy involves anything outside the Earth's atmosphere. Astronomers study the Sun, Moon, planets, stars, galaxies and all other matter in the universe. Astronomy applies mathematics, physics, and chemistry in an effort to explain the origin of the universe. Astronomy is one of the oldest natural sciences. The early civilizations including the Babylonians, Greeks, Egyptians, Nubians and Chinese performed methodical observations of the night sky. Astronomy is one of the few sciences where amateurs play an active and important role by watching the skies and discovering new comets and stars.
Planets in our solar system circle around the sun. There are eight planets in our solar system. Smaller planets with solid ground include Mercury, Venus, Earth and Mars. There are four larger gas giants including Jupiter, Saturn, Uranus and Neptune. We are learning new things about our neighboring planets all the time. We send astronauts to space to take pictures, gather information and find out more about them. Their are eight planets inside of our own solar system and thousands of planets outside of our solar system.
Astronauts are a special kind of scientist that takes space ships to outer space to study things like asteroids, the Earth's atmosphere, other planets and the moon. The first man to go into space was Yuri Gagarin from Russia in 1969. The first astronaut to walk on the moon with Neil Armstrong, from the United States, in 1969. Dr. Sally ride was the first American woman to make the journey to outer space when she flew aboard the Challenger in 1983.