how big is neptune compared to earth in percentage?
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Neptune is nearly four times larger than Earth, according to the National Aeronautics and Space Administration (NASA). Neptune's diameter is 30,775 miles across the equator, while Earth's diameter is only 8,000 miles.
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It is also the largest object that has not been visited by a spacecraft. Eris has been measured at 2,326 ± 12 kilometers (1,445.3 ± 7.5 mi) in diameter. Its mass is 0.27% as much as the Earth's and 27% more than dwarf planet Pluto's, though Pluto is slightly larger by volume.
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With a radius of 36,183.7 miles (58,232 kilometers), Saturn is 9 times wider than Earth. If Earth were the size of a nickel, Saturn would be about as big as a volleyball. From an average distance of 886 million miles (1.4 billion kilometers), Saturn is 9.5 astronomical units away from the Sun.
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Neptune's axis of rotation is tilted 28 degrees with respect to the plane of its orbit around the Sun, which is similar to the axial tilts of Mars and Earth. This means that Neptune experiences seasons just like we do on Earth; however, since its year is so long, each of the four seasons lasts for over 40 years.
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Planet Earth: Facts About Its Orbit, Atmosphere & Size. ... Earth is the fifth largest of the planets in the solar system. It's smaller than the four gas giants — Jupiter, Saturn, Uranus and Neptune — but larger than the three other rocky planets, Mercury, Mars and Venus.
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It has a diameter of 31,765 miles or 51,118 kilometers which is about four times the diameter of Earth. Uranus has a volume which is about 63 times the volume of Earth which means that 63 Earths can fit inside Uranus.
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(1) North America is about 9.5 million square miles (24.7 million sq. km), or 16.5% of the Earth's total land area, vs. Europe's 3.9 million square miles (10.2 million sq. km) – just 6.8% of the total land area on the planet.
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New Horizons observations of Charon confirm previous estimates of 751 miles across, about half the size of Pluto. By comparison, Earth has a diameter of 7,918 miles, making it more than five times the size of Pluto. Jupiter is by far the solar system's largest planet with a diameter of 86,881 miles.
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Mars (diameter 6790 kilometers) is only slightly more than half the size of Earth (diameter 12750 kilometers). Note the difference in color between the two planets. Almost 70% of Earth's surface is covered by liquid water. In contrast, Mars now has no liquid water on its surface and is covered with bare rock and dust.
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Jupiter's diameter is 11.2 times (1120%) larger than Earth. In other words, you could put 11.2 Earths side-by-side to match the diameter of Jupiter. And Jupiter's volume is even bigger.
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Uranus is larger than Neptune in terms of its diameter, but Neptune is more massive that Uranus, so it's larger than Uranus in that regard. Neptune has much more active weather whereas Uranus is comparatively quiet, with only a few features and storms popping up here and there.
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Between small planets in the solar system and the biggest stars, the size difference is enormous, for example, the diameter of the star Betelgeuse is 141,863 times larger than the diameter of the Earth.
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In terms of surface area, Jupiter is 121.9 times bigger than the Earth. That's how many Earths could be flattened out to cover the surface of Jupiter. Jupiter has 317.8 times the mass of the Earth.
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The average temperature on Neptune is about minus 200 degrees Celsius (minus 392 degrees Fahrenheit). Neptune, the farthest known planet of our solar system, is located about 30 times farther away from the sun than Earth is.
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The diameter of Uranus is 51,118 km. Just for comparison, this about 4 times bigger than the diameter of the Earth, at 12,742 km across.
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No, the planet Neptune is not visible without a telescope from Earth. Due to the distance of Neptune away from Earth, Neptune can only be viewed with high powered telescopes. ... Where Uranus is a little less than 20 AU away from the Sun, Neptune is 30 AU away from the Sun.
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The moon is a bit more than one-fourth (27 percent) the size of Earth, a much smaller ratio (1:4) than any other planets and their moons. Earth's moon is the fifth largest moon in the solar system. The moon's mean radius is 1,079.6 miles (1,737.5 kilometers).