Amazing

A mission to land the first space probe on a comet has reached a major milestone today, when the unmanned Rosetta spacecraft finally caught up with its quarry.

After a journey of 6.4 billion kilometers, Europe's unmanned Rosetta probe reached its destination today, a milestone in mankind's first attempt to land a spacecraft on a comet.

It's a hotly anticipated rendezvous: Rosetta flew into space more than a decade ago and had to perform a series of complex maneuvers to gain enough speed to chase down comet 67P/Churyumov-Gerasimenko on its orbit around the sun.

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A range of features, including boulders, craters and steep cliffs are shown in the images, that were taken from a distance between 285 and 130 km.

This is humanity's only chance to have a rendezvous with a comet. A tiny block of ice and stone travelling through the immensity of space at unimaginable speed.

How amazing is that?