Crater chain Crater chain A crater chain is a line of craters along the surface of an astronomical body. The descriptor term for crater chains is catena (plural catenae), as specified by the International Astronomical Union's rules on planetary nomenclature. Many examples of such chains are thought to have been formed by the impact of a body that was broken up by tidal forces into a string of smaller objects following roughly the same orbit. An example of such a tidally disrupted body that was observed prior to its impact on Jupiter is Comet Shoemaker-Levy 9. During the Voyager observations of the
The Shoemaker and the Elves (film) The Shoemaker and the Elves (film) The Shoemaker and the Elves is a 1935 Color Rhapsodies short directed by Arthur Davis. It concerns a poor shoemaker who gives a little boy shelter from a storm. A homeless waif, staggering through a roaring snow storm, wanders into a small town and no one except a poor shoemaker will give the little boy shelter from the storm. That night, the elves come in with their equipment and material, and make a new supply of shoes for the old man. In the morning, seeing what has happened, the old man tells the boy