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Last Updated:  Wednesday, 9 April, 2003, 20:34 GMT 21:34 UK
Saturn's new moon
By Dr David Whitehouse
BBC News Online science editor

Astronomers at the University of Hawaii, US, have found the first new satellite of Saturn in three years.

Saturn's new moon, University of Hawaii
There are probably more like this
The discovery has been made by the same team that recently announced it had found a clutch of new moons around Jupiter.

They point out that until now Saturn was the only gas giant planet not to have a new satellite discovery announced in the past year.

The latest discovery means there 31 known moons of Saturn. Jupiter has 58.

The new satellite was discovered on 5 February by Scott Sheppard and David Jewitt, from Hawaii's Institute for Astronomy, along with Jan Kleyna, of Cambridge University, UK.

Like the new satellites of Jupiter, it was found using the world's biggest telescope/wide-field digital camera combo on the 8.3-metre Subaru Telescope atop Mauna Kea in Hawaii.

The observation was later conformed by the University of Hawaii 2.2-metre telescope.

The moon, designated S 2003/S1, is in an orbit opposite to Saturn's spin, and is probably only about eight kilometres (five miles) in diameter.




SEE ALSO:
Mission zooms in on Saturn
04 Nov 02  |  Science/Nature
Astronomers admire 'Lord of the Rings'
01 Feb 02  |  Science/Nature
Four new moons found circling Saturn
26 Oct 00  |  Science/Nature


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