The diameter or size of the planet - mercury's diameter is 3,032
The period or rotation and revolution - It takes 88 days to revolve and 59 days to rotate
Average distance from the sun - the average distance from the sun is 35.98 million miles
Origin of the planet’s name - The Romans knew of seven bright objects in the sky: the Sun, the Moon, and the five brightest planets. They named them after their most important God . Because Mercury was the fastest planet as it moved around the camberia, it was named after the Roman messenger god Mercury. Mercury was also the god of travelers.
Average surface temperature or range of temperature - In the day side of mercury they can get to as high as 800 degrees and in the night they get to minus 290