NASA prevents probe's collision with Martian moon Phobos
 

NASA's MAVEN spacecraft and Phobos would have arrived at an intersection in their orbits within seven seconds of each other on March 6th. Phobos is the larger of the two Martian moons, and MAVEN would most likely crash into it if the space agency lef...

https://www.engadget.com/2017/03/04/...bos-collision/