Mercury is one of five planets
that were known in ancient times.
Ancient Greeks believed Mercury to
be two different stars and in the morning they called it Apollo and in the
evening Mercury was called Hermes.
Mariner 10 visited Mercury in
Mercury is 57,910,000 km from the
sun and 91,690,000 km from Earth.
One day on Mercury equals 58.65
days on Earth.
One year on Mercury equals 87.97
The diameter of Mercury is 4,878
Mercury has no satellites.
Temperatures on Mercury range from
-173° C to 427° C.
A 200 pound man, or woman, would
weight just 76 pounds on Mercury.