Pluto Facts - Science@NASA
Pluto has an equatorial diameter of about 1,477 miles (2,377 kilometers). Pluto is about 1/5th the width of Earth. From an average distance of about 3.7 billion miles (5.9 billion kilometers), Pluto is about 39 times farther away than the Earth is from the Sun.
Pluto - Wikipedia
Pluto has a moderately eccentric and inclined orbit, ranging from 30 to 49 astronomical units (4.5 to 7.3 billion kilometres; 2.8 to 4.6 billion miles) from the Sun. Light from the Sun takes 5.5 hours to reach Pluto at its orbital distance of 39.5 AU (5.91 billion km; 3.67 billion mi).
How Big Is Pluto? New Horizons Settles Decades-Long Debate
2015年7月13日 · Recent measurements obtained by New Horizons indicate that Pluto has a diameter of 2370 km, 18.5% that of Earth’s, while Charon has a diameter of 1208 km, 9.5% that of Earth’s. The approximate sizes of Pluto’s moons Nix and Hydra compared to Denver, Colorado.
How Big Is Pluto? - The Density, Mass and Volume Explained
2016年3月18日 · When New Horizons arrived at Pluto, it measured the diameter of the world to be 1,473 miles (2,370 kilometers) across, about two-thirds the diameter of Earth's moon. This makes it larger...
Pluto | Size, Moons, Temperature, & Facts | Britannica
2024年11月10日 · Pluto has a radius less than half that of Mercury; it is only about two-thirds the size of Earth’s Moon. Next to the outer planets—the giants Jupiter , Saturn , Uranus , and Neptune —it is strikingly tiny.
In Depth | Pluto – NASA Solar System Exploration
With a radius of 715 miles (1,151 kilometers), Pluto is about 1/6 the width of Earth. If Earth was the size of a nickel, Pluto would be about as big as a popcorn kernel. From an average distance of 3.7 billion miles (5.9 billion kilometers), Pluto is 39 astronomical units away from the Sun.
How Big Is Pluto | What Does Pluto Look Like | Size of Pluto
2024年9月12日 · The space probe discovered that Pluto has a diameter of 2,370 kilometers (1,473 miles). Despite its comparatively modest size, Pluto is the largest known object in the Solar System beyond the orbit of Neptune.
Pluto - NASA Science
Pluto has five moons. Pluto's largest moon, Charon, is about half the size of Pluto, making it the largest known moon relative to its parent planet in our solar system. Pluto's other moons are: Styx, Nix, Kerberos, and Hydra. Learn About Pluto's Moons
Pluto Fact Sheet - NSSDCA
2024年1月11日 · Pluto Atmosphere Surface Pressure: ~13 microbar Surface temperature: 24 - 38 K (-247 - -233 C) Scale height: ~18 km lower atmosphere, ~50 km above 30 km Mean molecular weight: ~28 Atmospheric composition: 99% Nitrogen (N 2 ), 0.5% Methane (CH 4 ), 0.05% Carbon Monoxide (CO), trace HCN, C 2 H x hydrocarbons
How Big Is Pluto? - WorldAtlas
2023年2月1日 · Pluto has a diameter of 1,473-miles (2,370-kilometres), which is even smaller than Earth’s moon, which has a diameter of 2,159-miles (3,475-kilometres). Pluto is only 18.5% the diameter of Earth and its surface area is only slightly larger than that of Russia, the largest country on Earth.
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