Mercury
The color of Mercury
What is gray?
The year Pluto became a dwarf planet
What is 2006?
The number of Mercury's moons
What is 0 moons?
The number of moons Pluto has
What is 5 moons?
What Mercury is mostly made of
What is iron?
Pluto's largest moon
What is Charon?
The number of days it takes Mercury to orbit the Sun
What is 88 days?
The person who named Pluto
Who is Venetia Burney?
Mercury's max temperature
What is 800 Degrees?
The person who discovered Pluto
Who is Clyde Tombaugh?