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Hace 3 días · The Kuiper belt (/ ˈ k aɪ p ər / KY-pər) is a circumstellar disc in the outer Solar System, extending from the orbit of Neptune at 30 astronomical units (AU) to approximately 50 AU from the Sun. It is similar to the asteroid belt, but is far larger—20 times as wide and 20–200 times as massive.
- Minor-planet moon
In 1993, the first asteroid moon was confirmed when the...
- Minor-planet moon
Hace 5 días · Lucy Sees Asteroid Dinkinesh in Detail. Watch on. On November 1, 2023, NASA’s Lucy spacecraft flew by the main-belt asteroid Dinkinesh. Now, the mission has released pictures from Lucy’s Long Range Reconnaissance Imager taken over a roughly three-hour period, providing the best views of the asteroid to date.
Hace 1 día · Pluto is more than twice the diameter and a dozen times the mass of Ceres, the largest object in the asteroid belt. It is less massive than the dwarf planet Eris , a trans-Neptunian object discovered in 2005, though Pluto has a larger diameter of 2,376.6 km [5] compared to Eris's approximate diameter of 2,326 km. [126]
Hace 5 días · Ceres, dwarf planet, the largest asteroid in the main asteroid belt, and the first asteroid to be discovered. It revolves around the Sun once in 4.61 Earth years at a mean distance of 2.77 astronomical units. Ceres was named after the ancient Roman grain goddess and the patron goddess of Sicily.
Hace 4 días · It is a small asteroid located in the main asteroid belt between Mars and Jupiter. It does not pose any known threat to Earth. [Related: ‘ Lucy’s baby’ asteroid is only about 2 to 3 million...
Hace 4 días · Lucy, U.S. spacecraft that will be the first to visit the Trojan asteroids, which orbit the Sun with Jupiter but ahead of and behind the planet at the Lagrange points. It will fly by three asteroids in the main asteroid belt and eight asteroids in the Trojan swarms.
