There is no such planet known. In our solar system, the planet whose moon is closest in size to the planet which it orbits is none other than our own planet Earth.
However, the Moon is still much smaller than the Earth.
Pluto has a Moon that's big, but Pluto isn't a "planet" now, of course.
The only planet close in size to the moon is Mercury, the closest planet to the sun. The mean radius of the moon is 1737.10 km The mean radius of Mercury is 2439.7 km There are many dwarf planets that are close in size to the moon, but that would be another question.
Pluto has a moon named Charon that is about half the size of Pluto itself, making it the largest moon relative to its planet in the solar system. This close size relationship is unique among dwarf planets.
The planet with a large moon close to it is Earth. Earth's moon is relatively large compared to the planet's size, and it is also relatively close in comparison to the distances between other planets and their moons in the solar system.
if i remember correctly, Pluto was the closest planet to the size of earths moon, but now cause Pluto is so small, it has now been classified as just rock, and not as a planet anymoreMercury
No, a moon cannot be bigger than a planet. Moons are natural satellites that orbit planets, and they are typically much smaller in size compared to the planets they orbit.
Pluto and Charon are the closest bodies in our solar system to an answer to this question, however, neither is a planet. Pluto used to be, but times change. When Pluto was a planet, it and its moon, Charon, were the closest in size of any of the planets. Currently the planet and moon with that distinction is the earth and its moon, the Moon. But no two bodies within our solar system which are classified as planets are considered double.
Pluto is smaller in size compared to the other planets in our solar system. It is classified as a dwarf planet, with a diameter that is smaller than Earth's moon. Among the eight recognized planets, Pluto ranks the smallest.
Size is not the differentiation of whether something is a planet or moon. The difference is what ir orbits. A planet orbits a star, and only a star. A moon orbits a planet. A moon is always smaller than the planet it belongs to, but some large moons are bigger than small planets. Ganymede and Titan are both larger than the planet Mercury, but are still much smaller than than planets they orbit, Jupiter and Saturn.
In size and mass it is enormous compared to it's parent planet - The Earth.
What makes a moon a moon is the fact that it is smaller than the object it is orbiting, and is orbiting the object (the planet) constantly.The definition of a moon is "a natural satellite revolving around a planet". Since a satellite is an object that orbits a bigger object, usually a planet, and is not a planet due to its small size, it is considered a moon and not another planet.
There is no such planet known. In our solar system, the planet whose moon is closest in size to the planet which it orbits is none other than our own planet Earth. However, the Moon is still much smaller than the Earth. Pluto has a Moon that's big, but Pluto isn't a "planet" now, of course.
No planets like Earth of any size have been discovered. For a planet the size of the Moon to have Earth like characteristics, it would have to have a much larger iron core in order to hold on to an atmosphere.