Terra Cognita – Updated

See below for July 2015 update

When I first made this graphic, it included two unexplored worlds: Ceres and Pluto, and 2015 seemed impossibly far away.

Now here we are, and only one remains. Of course, all these places have centuries of exploration ahead, but the era of unveiling major worlds in our solar system for the first time is reaching its twilight, right before our eyes. I almost don’t want it to end.

Almost.

Terra Cognita
Some worlds of the solar system before and after they were explored by recent spacecraft.

Updated July 2015

Now this chart is complete. (But the exploration of the solar system is not.)

before and after
Some worlds of the solar system before and after they were explored by recent spacecraft.