Réponse :

Mercury is smaller and closer to the sun than the Earth.

Mercury is the smallest planet in the Solar system and the closest to the sun.

Venus is the hottest planet in our Solar System.

Venus is a lot hotter than Earth.

Earth is much more beautiful than any other planet in the Solar System.

Earth is the beautifulest planet in the Solar System.

Mars has the highest mountain and the deeppest valley in the Solar System.

Mars has higher mountains and deepper valleys than the Earth.

Uranus is nearly as big as Neptune.

voilà, j'espère avoir pu t'aider correctement :) par contre on ne voit pas clairement la dernière phrase donc je n'ai pas pu y répondre!!

bonne journée!!