Jupiter is the largest planet in the solar system, with a radius of 43,441 miles. That is more than 10 times Earth's 3,359-mile radius, but it is also about 16 times smaller than the Sun's radius. Mercury is the smallest... More »

Saturn is the second-largest planet in the solar system by both volume and mass. It is 95 times the mass of the Earth, and it occupies 760 times the Earth's volume, according to Space.com. More »

www.reference.com Science Astronomy Planets

Jupiter is the largest planet in the solar system. It is approximately 1,120 percent larger than planet Earth and has an estimated radius of 43,441 miles. More »

www.reference.com Science Astronomy Planets

The smallest planet in the solar system, according to the International Astronomical Union's classification, is Mercury, with a radius of approximately 1,516 miles, which is 38 percent the size of Earth. The next smalles... More »

www.reference.com Science Astronomy Planets

Mercury is the smallest planet in our solar system; Jupiter is the largest.Pluto was once considered to be the smallest planet, but since Pluto is no longer thought to be a planet, Mercury now takes the title. More »

Jupiter is the heaviest planet in the solar system, with a mass of 1.90 x 10^27 kg. The gas giant's mass is equivalent to about 318 Earths. Jupiter is so heavy that it's twice as heavy as all the planets in the solar sys... More »

Jupiter is the largest planet in the solar system. It is approximately 1,120 percent larger than planet Earth and has an estimated radius of 43,441 miles. More »

www.reference.com Science Astronomy Planets