ROSETTA'S wild 12-year ride across our solar system and orbit around a comet has come to an end.

After spending 12 lonely years traversing the solar system, the Rosetta spacecraft is set to send its last transmissions home.

The three-tonne orbiter, Rosetta, and on board lander, Philae, set out from Earth in March 2004 on a mission to discover what comets could teach us about the early days of the solar system.

The mission marked the first time a spacecraft had entered orbit around a comet and sent a lander to touch down on the surface.

It will officially end on Friday when Rosetta comes to a rest a few kilometres from the ill-fated Philae lander on the charmingly named comet 67P/Churyumov-Gerasimenko.

Read more at ABC News Online

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