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:
“Notwithstanding the unaccountable apathy with which of late years the Indians have been sometimes abandoned to their enemies, it is not to be doubted that it is the good pleasure and the understanding of all humane persons in the Republic, of the men and the matrons sitting in the thriving independent families all over the land, that they shall be duly cared for; that they shall taste justice and love from all to whom we have delegated the office of dealing with them.”
—Ralph Waldo Emerson (1803–1882)
“It is a common accident for men camping in the woods to be killed by a falling tree.”
—Henry David Thoreau (1817–1862)
“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)