Extreme
mercury is relative to the sun. it is actually closest to the sun
Mercury is a very hot planet. Mercury is the closest planet to the sun.
440 kelvins
Mercury has the largest core relative to its overall size among the terrestrial planets. The core makes up about 85% of Mercury's radius, compared to about 55% for Earth's core size relative to its radius.
"Higher temperatures will result in the mercury in the thermometer expanding and rising, while lower temperatures will cause the mercury to contract and fall."
5 days
Surface temperatures place Venus above Mercury.
Mercury
Mercury has very high temperatures and is made up of hard rock. We are like a newborn baby - our planet can't resist such high temperatures, and that is why we have an atmosphere. Mercury can resist all that from the sun.
The planet Mercury does not have weather patterns just wild temperatures.
Hot. Mercury is very close to the Sun; the sun-side temperatures on Mercury will melt most metals.
You would have to put mercury in very low temperatures until it was a solid.