What Is the Smallest Planet in the Solar System?

Answer

The smallest planet in the solar system is Mercury and the biggest planet is Jupiter. Despite its small size, Mercury is extremely dense, composed mostly of rock and iron making it to have a density of 5.4 grams per cubic centimetre.
Q&A Related to "What Is the Smallest Planet in the Solar System"
the answer is mercury.
http://wiki.answers.com/Q/Which_is_the_smallest_pl...
Mercury is the smallest planet in the Solar System. Because Mercury
http://www.chacha.com/question/what-is-the-smalles...
Your textbooks are probabaly kind of old. Pluto was a planet and WAS the smallest planet, but has relatively recently been taken off the lsit of even being a planet. So, you are correct
http://answers.yahoo.com/question/index?qid=200905...
The Kuiper Belt is a ring of icy objects that exist in sporadic orbits beyond the orbit of Neptune. They are not gathered together tightly but spread out across millions of miles.
http://www.ehow.com/info_8578947_smallest-object-s...
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Ask.com Answer for: what is the smallest planet in the solar system
Mercury is the smallest planet in the Solar System. It has a diameter of 4879 kilometers.
Other Planets:
Since Pluto is no longer considered a planet, Mercury is the smallest planet in the solar system. Mercury measures 4, 879 km along its equator in comparison to the earth which is 12, 742 km across. Even though it’s very small, Mercury is extremely dense because it is composed mostly of iron and rock.
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