How far is Mars from the Sun in astronomical units?

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Hint: Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, being bigger than just Mercury. Mars is a terrestrial planet with a narrow atmosphere.

Complete answer: Mars is about a large portion of the size of Earth. On the off chance that Earth were the size of a nickel, Mars would be probably as large as a raspberry. Mars is 1.5 cosmic units (228 million kilometers) from the Sun. From this distance, it takes sunlight 13 minutes to go from the Sun to Mars. The astronomical unit is a unit of length, generally the separation from Earth to the Sun and equivalent to around 150 million kilometers or 8 light minutes.

Note: As Mars revolves around the Sun, it finishes one rotation each 24.6 hours, which is fundamentally the same as one day on Earth (23.9 hours). Mars has a narrow atmosphere made up generally of carbon dioxide, nitrogen and argon gases. To our eyes, the sky would be dim and red due to suspended residue rather than the recognizable blue color we see on Earth. Mars' atmosphere doesn't offer a lot of assurance from impacts by such items as shooting stars, space rocks and comets.