One day on Mercury =176 Earth days. The average temp. of Mercury 425 degrees Celciuse. Mercury has no rings. The color of Mercury is brown. Mercury is an inner planet. Mercury is not a gas planet,it is rock planet. It has little atmosphere if ever any. Mercury is named after Gods messeger. Mercury is the fastest planet in the solar syestem. It is the 8th largest planet. It has not been visted by any space probs.
