- What's Better Than A Total Eclipse Of The Sun? On Aug. 20, 2013, NASA's robot Curiosity was sitting on a Martian plain and one of its cameras looked up at the sky and saw the little moon Phobos passing across the face of the sun. Curiosity's camera snapped a picture every 3 seconds http://www.npr.org/blogs/krulwich/2014/07/22/331798896/whats-better-than-a-total-eclipse-of-the-sun-check-this 10 comments space