Because it is has the hottest and coldest temperatures.
Planet (in order from sun)Average temperature in KelvinAverage temperature in 'CRanked in order of coldest to hottestMercury*340677Venus7354628 (hottest)Earth287.214.056Mars210-635Jupiter**165-1084Saturn**134-1393Uranus**76-1972Neptune**72-2011 (coldest) *This is the average temperature at the equator. Unlike the other planets Mercury has a huge range in surface temperature due to lack of atmosphere. At the equator, the surface temperature on Mercury can range from 100K (-173'C) to 700K (430'C).**temperature at the 1.0 bar pressure level
Mercury -during the day it is very hot -at night it is very cold because of its slow rotation
The order of colors in a fire from hottest to coldest is blue, white, yellow, orange, and red. Blue flames are typically the hottest, followed by white, with yellow, orange, and red being cooler in temperature.
It is the coldest planet. If you include the Dwarf Planet Pluto, then Pluto is colder.
mercury
No, its one of the coldest planets as it is so far from the sun. Venus is the hottest planet (although Mercury is closer to the sun).
White, blue, red, orange, from hottest to coldest
coldest
Mercury is an extreme planet. it is fastest of all the planets. also, it is one of the hottest and coldest planet too.
WarmestHottest
hottest temperature was 50.6 °C
Pluto is the coldest planet
Because it is has the hottest and coldest temperatures.
all of our planets are heated by the sun. some more, some less! the hottest one would be mercury - being the closest and the coldest one theoretically would be Neptune. Hope this helps
Mercury is not the coldest planet because it has more solar radiation than all of the other planets. This is because it is closer to the Sun. However, Mercury is not the hottest planet in the Solar System. See related question.
The biggest planet in our solar system is Jupiter, the smallest planet is Mercury, the hottest planet is Venus due to its thick atmosphere trapping heat, and the coldest planet is Neptune, located farthest from the Sun.