Probably lots of things.
It is closest to the sun, it has the thinnest atmosphere, it has the largest iron core compared to it's overall size, it is the smallest planet, and it has the most eccentric orbit.
Mercury is only a half larger than the moon, with 1.45 times the surface area of our moon. Mercury-4,880 km Moon-3,476 km
No, Mercury is much smaller than the moon. The moon has a diameter of about 3,474 kilometers, while Mercury's diameter is only about 4,880 kilometers.
Mercury is larger than the moon and so is closer in size to Earth than the moon is. It should be noted that Mercury is closer in size to the moon than it is to Earth.
No. Mercury has a much larger core than the moon does.
mercury has no moons
Mercury does not have a moon.
Nothing. Mercury does not have a moon.
No, Mercury does not have a moon.
Mercury does not have a moon.
Mercury does not have a moon.
There is no evidence that Mercury ever had a moon.
Mercury does not have a moon.
On the contrary, the planet Mercury has no moon.
No, because Mercury has no moon.
Mercury doesn't have a moon, so they couldn't have a full moon.
mercury belong to planet while moon was not.
Mercury is only a half larger than the moon, with 1.45 times the surface area of our moon. Mercury-4,880 km Moon-3,476 km