Of all the planets in our Solar System, Mercury is the closest to the Sun. It is so close to the Sun that daytime temperatures can reach 427°...that's 4 times what it takes to boil water!
Mercury Statistics
Diameter: 4,878 km 3,031 miles)
Length of Day: 59 earth days!
Length of year: Only 88 Earth days!
Distance from Sun: 60 million km
37.5 million miles)
