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Bookmark or Share- Our Solar System | National Air and Space MuseumLearn about the four giant planets in our solar system: Neptune, Uranus, Saturn, and Jupiter. Find out how they are different from each other and from the rocky planets and icy worlds.
- Neptune | National Air and Space MuseumNeptune is the outermost and largest planet in our Solar System, with a blue hue caused by methane and hydrogen sulfide gases. Learn about its discovery, rings, storms, moons, and more from the National Air and Space Museum.
- What an Accidental Discovery Told Us About PlutoLearn how Pluto's largest moon, Charon, was discovered by chance in 1978 by astronomer James Christy. Explore the history and features of Charon and the other four moons of Pluto revealed by New Horizons spacecraft.
- Pluto | National Air and Space MuseumPluto is a dwarf planet in the icy outer edges of our Solar System, beyond Neptune. It was discovered in 1930 by Clyde Tombaugh and explored by New Horizons in 2015.
- New Horizons: The Gift That Keeps Giving - National Air and Space MuseumNew Horizons provided the first close-up views of the dwarf planet Pluto, and also the first "Kuiper Belt Object" to be visited by a robotic emissary from Earth. When New Horizons launched in 2006, it was headed toward the ninth planet, discovered by American astronomer Clyde Tombaugh in 1930. Later that same year, the International ...
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