Mercury orbits the sun at a distance of 57.910.000Km and has practically no atmosphere.
Except for the poles, the day on Mercury is a relentless exposure to the sun with temperatures reaching 427° celsius.
Since the planet has a steady fixed axis with no inclinations whatsoever, it can be said that Mercury experiences a permanent summer “season” all year long.
MEADE 14” LX200, SBIG ST2K. Exposure time: 0.1 seconds in high resolution.
Image development in CCDops, Maxim DL4 and Adobe Photoshop CS4 Extended
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