In detail:
# Planet Away from the Sun: 1
Diameter: 4,878 km
Size comparison with Planets: Eighth
Rotation period: 58.6461 Days
Distance from Sun: 45.9 millioin km to 69.7 million km
Visibility: Naked Eye and Binoculars
Mythology:
Mercury has been known since at least the time of the 3000 B.C. Roman mythology views Mercury as a god of trade, travel and thievery. The Roman god Hermes is also associated with Mercury due to his quickness. Mecury is expedient in orbit. The Greeks gave Mercury the two names of Apollo for its ghostlike appearance as a morning star and Hermes as an evening star. However, Greek Astromers had the knowledge that the two were the same object.