NOPE
I think there is no spacecraft on Mercury because it is to close to the sun, the spacecrafts would just melt.
The first spacecraft to visit Mercury was Mariner 10 in 1974 -> 1975
they found mercury at the LOST AND FOUND!
The First spacecraft was the MESSENGER. The First spacecraft was the MESSENGER.
The one man spacecraft was called the Mercury .
No. Pluto was discovered in 1930 by telescope.
The Apollo 11 was a bigger spacecraft ,then mercury or Gemini spacecraft.
Mercury.
Mariner 10 and MESSENGER flew past Mercury.
Gemini
Redstone.