No they don't. for every planet their size varies.
The planets of our solar system are most definitely NOT all the same size.
yes there is 2 planets but there are also dwarf ones too.
Uranus and Neptune are roughly the same size.
There are no planets that we know of that are exactly the same size.
No
No.
No, they are not. Comets are much, much smaller than planets.
I guess the closest planets in size are Earth and Venus
MERCURY
earth & venus
yes because they are nearly the same size and same colour so they are twin planets
Planets are larger and more massive than asteroids, but very nearly the same size and mass as planets.