List of articles in "Planet" category - Page 1169

Thalassa (/θəˈlæsə/ thə-LASS-ə; Greek: Θάλασσα) also known as Neptune IV is the second innermost satellite of Neptune. Thalassa was named after sea goddess Thalassa a daughter of Aether and Hemera […]

Prospero (/ˈprɒspəroʊ/ PROS-pər-oh) is a relatively small retrograde irregular satellite of Uranus discovered on 18 July 1999 by the astrophysicist Matthew Holman and his team and given the provisional designation […]

Sycorax (/ˈsɪkəræks/ SIK-or-aks) is the largest retrograde irregular satellite of Uranus. Sycorax was discovered on 6 September 1997 by Brett J. Gladman Philip D. Nicholson Joseph A. Burns and John […]

Portia (/ˈpɔrʃə/ POR-shə) is an inner satellite of Uranus. It was discovered from the images taken by Voyager 2 on 3 January 1986 and was given the temporary designation S/1986 […]

Callirrhoe (/kəˈlɪrɵʊiː/ kə-LIRR-o-ee; Greek: Καλλιρρόη) also known as Jupiter XVII (17) is one of Jupiter’s outermost named natural satellites. It is an irregular moon that orbits in a retrograde direction. […]

Comet Borrelly or Borrelly’s Comet (official designation: 19P/Borrelly) is a periodic comet which was visited by the spacecraft Deep Space 1 in 2001.

21 Lutetia is a large main-belt asteroid of an unusual spectral type. It measures about 100 kilometers in diameter (120 km along its major axis). It was discovered in 1852 […]

Setebos (/ˈsɛtɨbʌs/ SET-ə-bus) is one of the outermost retrograde irregular satellites of Uranus. It was discovered on 18 July 1999 by John J. Kavelaars et al. and provisionally designated S/1999 […]

Themisto (/θɨˈmɪstoʊ/; from Greek: Θεμιστώ) also known as Jupiter XVIII is a small prograde irregular satellite of Jupiter. It was discovered in 1975 lost and then rediscovered in 2000.

51826 Kalpanachawla (2001 OB34) is an asteroid named for Indian-born astronaut Kalpana Chawla who was killed in the STS-107 (Columbia) space shuttle reentry disaster on February 1 2003. 51826 Kalpanachawla […]