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...
A planet (from Ancient Greek ἀστήρ πλανήτης astēr planētēs, or πλάνης ἀστ...
Information about each planet and moon in our solar system with many pictures,
discussion of the history of its discovery, exploration, and physical ...
We are NASA's Planetary Science Division. Our hardworking robots explore the
planets and more on the wild frontiers of our solar system.
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 »
Jan 22, 2016 ... There used to be nine planets. Now there are eight, or maybe nine after all.
Whichever you prefer, here is a list of them in the order they appear ...
A planet is a large space object which revolves around a star. It also reflects that
star's light. Eight planets have been discovered in our solar system. Mercury ...
Get information, facts, photos, news, videos, and more about planets and their
moons from National Geographic.
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, ...
Jul 25, 2015 ... The Planets Song is a science song that teaches the planets in our solar system.
The planets song teaches Mercury, Venus, Earth, Mars, ...