Mercury/Hot Pole

The side of Mercury that the Sun is directly pointing at. Messenger must be careful not to look directly at it to avoid frying its instruments.

Ready to Orbit Mercury (Mar 2011)

 * http://articles.baltimoresun.com/2011-03-16/news/bs-md-messenger-mercury-apl-20110316_1_messenger-spacecraft-messenger-team-sean-solomon