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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... More »



A planet (from Ancient Greek ἀστήρ πλανήτης astēr planētēs, or πλάνης ἀστ...

The Nine Planets Solar System Tour


Information about each planet and moon in our solar system with many pictures, discussion of the history of its discovery, exploration, and physical ...

Planets - NASA Solar System Exploration


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 »

Solar System Planets: Order of the 8 (or 9) Planets - Space.com


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 ...

StarChild: The Planets and Dwarf Planets


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 ...

Planets, Planets Information, Facts, News, Photos -- National ...


Get information, facts, photos, news, videos, and more about planets and their moons from National Geographic.

Planets - Zoom Astronomy - Enchanted Learning


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, ...
Popular Q&A
Q: What Is the Closest Planet to Earth?
A: Venus is the closest planet to Earth and second closest to the sun. It was named after the Roman goddess of love and is often referred to as Earth's sister plan... Read More »
Source: www.ehow.com
Q: How to Remember the Planets in Order.
A: Nine planets are in our solar system. : Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. Apart from Earth, these planets were named afte... Read More »
Source: www.ehow.com
Q: Why is there a planet?
A: protoplanets. Read More »
Source: wiki.answers.com
Q: What is a planet?
A: In 2006, the International Astronomical Union adopted a new definition of what constitutes a "planet" in our solar system : A celestial body that orbits the sun... Read More »
Source: wiki.answers.com
Q: Why the orbits of planets is elliptical?
A: Instead of discussing planets in general, let's limit ourselves the the Solar System and look at the Earth in particular. First of all the Earth's orbit is almo... Read More »
Source: www.quora.com