The planet similar in size to Earth is Mars.
Earth and Venus are similar in size, density, and internal structure. Both are rocky planets with similar masses and compositions. Mercury and Mars are also similar in size and density, although Mars has a thinner atmosphere and a less differentiated interior compared to Mercury.
A white dwarf can be roughly the same size as Earth.
Venus and Earth are similar in size and density. Venus is only a little smaller and lighter, and both have similar gravity. This is why Venus is sometimes called 'Earth's Twin.' However, Venus has an atmosphere 100 times thicker than Earth and surface temperatures that are extremely hot. Venus has no life or water as Earth does.
the answer is Venus, and Earth
The size.
Earth is a similar size to Venus (Earth is a bit bigger). Neptune and Uranus are also of a similar size.
The planet similar in size to Earth is Mars.
Venus and Earth are similar in size. Uranus and Neptune are also of a similar size, but both much larger than Earth and Venus.
Our sun is an average star.
Venus and Earth are similar in size, also Uranus and Neptune are pretty similar in size.
Red and White dwarf stars.
Earth and Venus are similar in size, density, and internal structure. Both are rocky planets with similar masses and compositions. Mercury and Mars are also similar in size and density, although Mars has a thinner atmosphere and a less differentiated interior compared to Mercury.
venusVenus.
Venus is often compared as Earth's "sister planet", being similar in size and internal composition.
because they have the close size or similar size,,
Earth and Venus are similar in size, density, and overall composition.