Human technology has made it to Mars. We are transmitting gorgeous pictures from it. Yet we have not explored our own planet. Two-thirds of it is covered with oceans that are still mysterious places.
![Human technology has made it to Mars. We are transmitting gorgeous pictures from it. Yet we have not explored our own planet. Two-thirds of it is covered with oceans that are still mysterious places.](http://cdn.quoteddaily.com/images/barbara-block/human-technology-has-made-it-to-mars-we-are-transmitting-gorgeous-pictures-from-it-yet-we-have-not-explored-our.jpg)
Human technology has made it to Mars. We are transmitting gorgeous pictures from it. Yet we have not explored our own planet. Two-thirds of it is covered with oceans that are still mysterious places.