http://www.cnet.com/pictures/rosetta-gets-up-close-and-personal-with-comet-pictures/
A close flyby brought the Rosetta spacecraft to within just a few miles of the surface of Comet 67P for an eye-opening view of its boulder-littered surface (pictures)
The program reduces my planning time as I only have to plan and research for one integrated unit.
Trent Perry, Teacher