yes
No. Mercury is a barren planet covered in nothing but rocks and dust.
Humans have sent space probes to take pictures of Mercury from orbit around the planet, but we have not sent a man to Mercury. Sending people to Mercury would be hard because it is so dangerously close to the sun.
Mercury has no atmosphere to speak of, and therefore it has no weather.
No, Mercury is the closest planet to our sun
Mercury
Mercury is a planet itself, and it does not have any planets to it.
Mercury does not have any moons.
Mercury, the planet, does not have any relationships that I am aware of.
No... ?
mercury
No. Mercury orbits the sun, so it is a planet rather than a moon.
No, Mercury barely even has an atmosphere.