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Bookmark or Share- What an Accidental Discovery Told Us About PlutoJune of this year marks the 40 th anniversary of the discovery of Pluto’s largest moon, Charon. At the time of Charon’s discovery, scientists weren’t even looking for it.
- Our Solar System | National Air and Space MuseumNow There Are Dwarf Planets, Too! The IAU Prague General Assembly also approved a new term, dwarf planet. A “dwarf planet” is a celestial body that. is in orbit around the Sun, has enough mass for its gravity to make the object have a (nearly) round shape, has not cleared other large objects from the region it crosses during its orbit.
- Vulcan? But that’s not logical… - National Air and Space MuseumThe news that “Vulcan” topped the poll results taken by the SETI (Search for Extraterrestrial Intelligence) Institute in Mountain View, California as a possible name for one of the two tiny moons newly discovered to be orbiting Pluto has gotten quite a bit of press this week. In 2012, Mark Showalter of SETI, working with scientists on the New Horizons mission sending a probe to Pluto ...
- Pluto | National Air and Space MuseumA Dwarf Planet The IAU Prague General Assembly also approved a new term, dwarf planet. A “dwarf planet” is a celestial body that: (a) is in orbit around the Sun, (b) has enough mass for its gravity to make the object have a (nearly) round shape, (c) has not cleared other large objects from the region it crosses during its orbit. (Its ...
- How Did We Discover the Planets? - National Air and Space MuseumIn 1930, one of Lowell’s successors used that same instrument to finally find the planet, which would later be named Pluto. While Clyde Tombaugh was the person who eventually found Pluto, Lowell is credited with initiating the search. Today we define Pluto as a dwarf planet rather than a planet like Earth or Jupiter. What of the Moon?
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