No planet! However, Venus has no moons and is not much smaller than Earth.
It is mercury.
No planet is exactly the size of Earth. Venus is close to Earth's size but slightly smaller.
Venus is the same size as Earth and has no moons and has a thick atmosphere of mostly carbon dioxide.
Venus
the planet venus.... size is about the same
Venus Its sister planet
they both have craters
The planet that is half the size of the earth, has 2 moons, and has an atmosphere of mostly carbon dioxide is Mars. The average length of a day on Mars is 37 minutes longer than that of the Earth.
Earth.
Venus because it is almost the same size as Earth.
The planet that most resembles Earth in many factors is Mars. However, no planet most resembles the Earth in all factors.
Larger size seems to equal more moons. Jupiter, Saturn, and Neptune are larger than Mars, and they have many more moons.