Nobody has visited mercury.
it was the one that visted mercury
A gar is a living thing - a sort of fish rather high in mercury to be precise! Many are caught for food in eastern North Carolina.
Someone has landed on mercury but died almost instantly
The surface temperature of Mercury ranges from over 400 degrees F. in the daytime to -200 F. (that's below zero) at night. In addition to that, Mercury is constantly bombarded with hard radiation because of its close proximity to the sun and its lack of a strong magnetic field to deflect it. It would be hard to imagine a place much less hospitable to life.
Messenger
Juan Alejandro
Yes, but they have not landed.
yes
The only probe to visit Mercury was Mariner 10 in 1974. MESSENGER is on its way to Mercury but will not arrive until 2011.
No one has actually ever stepped or been on mercury as no microbe would survive the long journey.
The Mariner Ten and the Messenger