6.ESS.3 Inner Planets 2

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What planet in our solar system has no satellites?

What is the main component of the atmosphere on Mars?

Which celestial body has the longest orbit?

What is the smallest planet in the solar system?

Planetary orbits are.....

Which planet is characterized by a solid surface surrounded by a thick atmosphere of carbon dioxide?

Which planet is known as the Red planet.

What keeps the objects of the Solar System in orbit around the Sun?