In a single day, temperatures on this planet closest to the sun range from -280 degrees to 800 degrees
Aptly named, Mercury transits 
around the sun incredibly fast, at 88 days per Mercury year, traveling at... [DOC] [TLE] Quickie Questions - Solar System - Mercury - Windows to the Universe [PAR] Mar 9, 2010 ... Earth, planets, moons, the Sun, and the stars.