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dwarf planet, body, other than a natural satellite (moon), that orbits the Sun and that is, for practical purposes, smaller than the planet Mercury yet large enough for its own gravity to have rounded its shape substantially.
7 Απρ 2022 · Dwarf planet defined. In 2006, and after much debate, the International Astronomical Union came up with a new definition for a planet. And for the first time, the term “dwarf planet”...
11 Μαΐ 2015 · Dwarf planets are a lot like regular planets: They both have enough mass and gravity to be nearly round - unlike odd-shaped asteroids. They both travel through space in a path around the Sun.
15 Απρ 2022 · Dwarf planet defined. In 2006, and after much debate, the International Astronomical Union came up with a new definition for a planet. And for the first time, the term "dwarf planet" was used.
31 Ιαν 2023 · According to the International Astronomical Union, a dwarf planet in our solar system is a body that orbits the Sun (is not a moon), has sufficient mass to be round, yet has not cleared the neighborhood around its orbit.
31 Ιουλ 2015 · Here we come to the present epoch of robotic space exploration. Dwarf planets may be protoplanets whose growth was halted, or they may represent part of a continuum of planetary sizes.
Dwarf Planets. Objects of the Kuiper belt (blue). Plot displays the known positions of objects in the outer Solar System within 60 astronomical units (AU) from the Sun. Epoch as of January 1, 2015.
