Multiple choice

Why is Mars the only planet that has an orangish-reddish tint to it?

  1. It is covered in iron-oxide, which reflects that color

  2. Its atmosphere is made of methane and reflects that color

  3. The gases in our atmosphere make it look that color

  4. Because closer objects always appear in that color
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Mars appears reddish because its surface is covered in iron oxide, commonly known as rust. This material reflects red light.

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