first if all... the planets are very small. second of all... they all have extreme tempetures.
they are alike in the way that they are solid not gaseous and that they are relitivly small.
None of the inner planets are alike - they are all different in their own sweet way.
their all gas planets
They're both planets.
The answer depends on which planets "these" refers to.
They all have alike materials and rocky cores.
Both have rings and are outer planets.
They are alike because they are both called planets, both terrestrial planets and gas giants are spheres, all have a somewhat dense core and lastly all orbit around the sun.
both planets
they are both planets
earth and venus are alike because they are both on the inner planets
they are both planets