
Which planet is often called the "red planet"? Mars It got this nickname because it's covered with red rocks and dust. Mars is also known for having the largest mountain in the solar system. Called Olympus Mons, it's three times taller than Mount Everest Early readers will...
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Which planet is often called the "red planet"? Mars It got this nickname because it's covered with red rocks and dust. Mars is also known for having the largest mountain in the solar system. Called Olympus Mons, it's three times taller than Mount Everest Early readers will...