The asteroid 4769 Castalia (/kɨˈsteɪliə/ kə-STAY-lee-ə; previously known by the provisional designation 1989 PB) was the first asteroid to be modeled by radar imaging. It is an Apollo Mars- and […]
List of articles in "Celestial Body" category - Page 2285
52 Europa
52 Europa is one of the larger asteroids in the asteroid belt having an average diameter of around 315 km. The body is not round but is shaped like a […]
4 Vesta
Vesta minor-planet designation 4 Vesta is one of the largest asteroids in the Solar System with a mean diameter of 525 kilometres (326 mi). It was discovered by Heinrich Wilhelm […]
Halley’s Comet
Halley’s Comet or Comet Halley (/ˈhæli/ or /ˈheɪli/) officially designated 1P/Halley is the best-known of the short-period comets and is visible from Earth every 75–76 years Halley is the only […]
Metis (moon)
Metis (/ˈmiːtɨs/ MEE-təs; Greek: Μήτις) also known as Jupiter XVI is the innermost moon of Jupiter. It was discovered in 1979 in images taken by Voyager 1 and was named […]
Saturn
Saturn is the sixth planet from the Sun and the second largest planet in the Solar System after Jupiter. Named after the Roman god of agriculture its astronomical symbol (♄) […]
Uranus
Uranus is the seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus is similar in composition to Neptune and […]
Pluto
Pluto (minor-planet designation 134340 Pluto) is the largest object in the Kuiper belt and the tenth-most-massive body observed directly orbiting the Sun. It is the second-most-massive known dwarf planet after […]
Triton (moon)
Triton is the largest moon of the planet Neptune discovered on October 10 1846 by English astronomer William Lassell. It is the only large moon in the Solar System with […]
Callisto (moon)
Callisto /kəˈlɪstoʊ/ (Jupiter IV) is a moon of the planet Jupiter. It was discovered in 1610 by Galileo Galilei. It is the third-largest moon in the Solar System and the […]