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Dawn probe close to meeting with dwarf planet Ceres

6 March 2015 Last updated at 07:55 GMT

After more than seven years whizzing through space, Nasa's Dawn spacecraft has nearly reached its target: a dwarf planet named Ceres.

Ceres is 950km across and is the largest object in the asteroid belt - a band of rocky bits and pieces that lies between Mars and Jupiter.

For the next 14 months, the Dawn probe will study Ceres to find out more about the birth of the Solar System.

It will be the first time a spacecraft has visited one of the dwarf planets.

Hayley's got more on the mission.