Water and ice on Mercury: Ice and organic material may have been carried to planet by passing comets
Thursday, November 29, 2012 - 16:00
in Astronomy & Space
Mercury, the smallest and innermost planet in our solar system, revolves around the sun in a mere 88 days, making a tight orbit that keeps the planet incredibly toasty. Surface temperatures on Mercury can reach a blistering 800 degrees Fahrenheit -- hot enough to liquefy lead.