What is Cressida?
Q: What is Cressida?
A: Cressida is a moon that orbits Uranus.
Q: When was Cressida discovered and how?
A: Cressida was discovered on January 9, 1986, through images taken by Voyager 2.
Q: Why was Cressida given its particular name?
A: Cressida was named after a character in William Shakespeare's play Troilus and Cressida, as well as in tales by other authors.
Q: What group of moons does Cressida belong to?
A: Cressida belongs to the Portia Group of moons, which includes Bianca, Desdemona, Juliet, Portia, Rosalind, Cupid, Belinda, and Perdita.
Q: What do we know about Cressida?
A: Other than its orbit, radius of 41 km, and geometric albedo of 0.08, almost nothing is known about Cressida.
Q: How does Cressida appear in Voyager 2 images?
A: In Voyager 2 images, Cressida appears as a stretched object, with its major axis pointing towards Uranus.
Q: What is the ratio of axes of Cressida's prolate spheroid?
A: The ratio of axes of Cressida's prolate spheroid is 0.8 ± 0.3.
