The Solar System
From our small world we have gazed upon the cosmic ocean for thousands of years. Ancient astronomers observed points of light that appeared to move among the stars...
The planets were thought by Ptolemy to orbit Earth in deferent and epicycle
motions. Although the idea that the planets orbited the Sun had been suggested
Information about each planet and moon in our solar system with many pictures,
discussion of the history of its discovery, exploration, and physical ...
Saturn · Uranus · Neptune. Small Bodies. Dwarf Planets · Pluto · Ceres · Asteroids
· Comets · Meteors & Meteorites. Moons. Earth's Moon · Europa · Enceladus.
It is one of the questions that I get most often in my astronomy class, and its a question that is at the source of great controversy. There are a vast number of stars in the Milky Way galaxy, and recent data suggests that many of them have planets
orbiting around them... More »
All about the planets in our Solar System. The planets that orbit the sun are (in
order from the sun): Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, ...
Mar 31, 2015 ... There used to be nine planets. Now there are eight. Whichever you prefer, here is
a list of them in the order they appear in the solar system.
Get information, facts, photos, news, videos, and more about planets and their
moons from National Geographic.
Welcome to Planets for Kids I really hope you enjoy the information that I have
provided on this website. You will find lots of information about our solar system ...
The solar system includes 8 planets, 5 dwarf planets, at least 173 planetary
moons orbiting the planets, and hundreds of thousands of asteroids. The planets