No, Mercury does not have a twin planet. It is the smallest and innermost planet in our solar system, and there is no other planet that is exactly like Mercury in terms of its size, composition, and distance from the Sun.
Mercury
Mercury.
the planet which completes its journey first is mercury i think
it is much hotter then any other planet! it is closets 2 da sun then any other planet........
Not entirely sure what you mean with "living planet"; there is no known life on Mercury, or on any other planet on our Solar System for that matter, except on Earth of course.
Venus because they both have no moons
Mercury is the closest planet to the sun.one side of mercury is hot(about 450 Celsius) the other side of the planet is cold(_180 celsius)
The heaviest planet in our solar system is Jupiter, while the lightest planet is Mercury. Jupiter is a gas giant with a mass greater than all the other planets combined, whereas Mercury is a small, rocky planet with a much lower mass.
Mercury Mars
Mercury's surface gets hotter than any other planet because it is closest to the sun.
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.