... Tonight's Sky . ... Observing . ... Astronomy for Kids . ... Did Enceladus roll over? ... These "ice geysers" gush from an area at the moon's south pole that's 27 F (15 C) warmer than the rest of Enceladus' surface. ... Their research, published in the June 1 issue of Nature , suggests the material that creates the moon's warm spot also caused Enceladus to roll over until the spot was positioned at the pole. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Winer . ... Mark Trueblood was born in Cincinnati, Ohio in 1948. ... It was Andy, with the encouragement of Irv Winer, who got Mark interested in telescope building and astronomy again. ... Society for Astronomical Sciences (Robert Crawford lead author) . ... Trueblood, Mark, "The Space Telescope Payload Operations Control Center" in Genet and Genet, eds., Microcomputers in Astronomy - II, Fairborn Observatory (Fairborn: 1984), 11. ...