View Full Version : New Theory Says Phobos Formed From Re-Accretion of Impact Debris

2010-Sep-20, 07:00 PM
Most theories on the formation of Phobos and its sister moon of Mars, Deimos, hold that the two moons did not form along with Mars, but were captured asteriods. However, new research indicates that Phobos formed relatively near its current location via re-accretion of material blasted into Marsí orbit by some catastrophic event, such as [...]

More... (http://www.universetoday.com/74073/new-theory-says-phobos-formed-from-re-accretion-of-impact-debris/)

2010-Sep-21, 12:15 AM
the precise nature of capture orbits is so complex that I very much doubt if any natural satellites are formed in this way. re accretion seems more logical