Today, the MESSENGER spacecraft will succumb to the influence of gravity and impact on the surface of Mercury. Its last orbit correction maneuver was successfully executed on Tuesday, April 28– there’s nothing left in the fuel tank. I’ve been involved in the mission for more than a decade as a member of the science team and   <a href="http://blog.nasm.si.edu/planetary-science/the-last-hours-of-messenger/">...Continue Reading</a>
