Two new moons have been discovered orbiting Jupiter, bringing the planet's total number of known satellites to 67.
And, at just two kilometres in diameter, one of the moons may be Jupiter's smallest known satellite.
The two distant moons - S/2010 J 1 and S/2010 J 2 - were discovered during routine tracking observations of already known satellites in September 2010.
They were then re-observed by scientists several times that autumn .... http://www.dailymail.co.uk
