Irregular Satellites - Families With A Common Origin

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.

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Famous quotes containing the words families, common and/or origin:

    Affection, indulgence, and humor alike are powerless against the instinct of children to rebel. It is essential to their minds and their wills as exercise is to their bodies. If they have no reasons, they will invent them, like nations bound on war. It is hard to imagine families limp enough always to be at peace. Wherever there is character there will be conflict. The best that children and parents can hope for is that the wounds of their conflict may not be too deep or too lasting.
    —New York State Division of Youth Newsletter (20th century)

    The mother’s battle for her child—with sickness, with poverty, with war, with all the forces of exploitation and callousness that cheapen human life—needs to become a common human battle, waged in love and in the passion for survival.
    Adrienne Rich (20th century)

    The origin of storms is not in clouds,
    our lightning strikes when the earth rises,
    spillways free authentic power:
    dead John Brown’s body walking from a tunnel
    to break the armored and concluded mind.
    Muriel Rukeyser (1913–1980)