Families With A Common Origin
Some irregular satellites appear to orbit in 'groups', in which several satellites share similar orbits. The leading theory is that these objects constitute collisional families, parts of a larger body that broke up.
Read more about this topic: Irregular Moon
Famous quotes containing the words families, common and/or origin:
“Peer pressure is not a monolithic force that presses adolescents into the same mold. . . . Adolescents generally choose friend whose values, attitudes, tastes, and families are similar to their own. In short, good kids rarely go bad because of their friends.”
—Laurence Steinberg (20th century)
“It is said that a carpenter building a summer hotel here ... declared that one very clear day he picked out a ship coming into Portland Harbor and could distinctly see that its cargo was West Indian rum. A county historian avers that it was probably an optical delusion, the result of looking so often through a glass in common use in those days.”
—For the State of New Hampshire, U.S. public relief program (1935-1943)
“Art is good when it springs from necessity. This kind of origin is the guarantee of its value; there is no other.”
—Neal Cassady (1926–1968)