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Jovian planet
Planet with a large diameter and low density. In our solar system the Jovian planets are: Jupiter, Saturn, Uranus and Neptune.
JPL
Acronym for NASA's Jet Propulsion Laboratory in Pasadena, Calif.
Jupiter
Jupiter is the fifth planet from the sun. It is the largest planet in our solar system. It is named for the king of ancient Roman gods.
More on Jupiter >>
Jupiter
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