In case you're curious how does one get a spacecraft from Earth to a comet, here's an interactive 3D visualization showing all those nice gravitational assists.

In case you're curious how does one get a spacecraft from Earth to a comet, here's an interactive 3D visualization showing all those nice gravitational assists. https://util1.estec.esa.int/rosetta/where_is_rosetta/ https://util1.estec.esa.int/rosetta/where_is_rosetta/