Earth has usually more than one moon, study suggests

[Tsanten Eywa 'eveng]

This is very interesting, so fascinating things scientists find about




Earth usually has more than one moon at any given time, according to the results of a new computer simulation.


The huge, bright and iconic moon so beloved by poets and romantics is joined by a rotating cast of captured asteroids that often measure just a few feet across. These mini-moons typically orbit Earth for less than a year before zipping back off into space, researchers said.


http://www.space.com/15151-earth-multiple-moons-asteroids.html

[Human No More]

Interesting, but this isn't a new discovery really, more of a new model. Part of the definition of a planet is that it has cleared the area of its orbit (why Ceres and Pluto don't count as planets).

The same principle of capture by a gravity well and escaping to gain velocity is how deep space probes are sent towards their destinations more quickly than they otherwise would be.