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1. Mercury
2. Venus
3. Earth
4. Mars

It has the shortest orbit – year

Sometimes it’s called Earth sister

It has an atmosphere that is mostly nitrogen.

Craters cover its surface

Surface: similar to the Moon

It is the hottest terrestrial planet

It is called the red planet due to rust in its rocks

It has no atmosphere

Volcanos and flat lava plains cover its surface

It has one moon.

It has two moons

Winds and gravity carry broken material forming new features such as sand dunes

70% is water

Mountains and valleys cover planet surface due to movement of tectonic plates.

It has the longest rotation – day

Its atmosphere mostly carbon dioxide