1. Why does it take Neptune nearly 165 years to revolve around the sun and Earth only 365 days? Neptune rotates fast, so therefore it revolves around the sun slowly. Neptune is a gas giant and Earth is a terrestrial planet Neptune is much farther away from the sun and has a much larger orbit. None of the above 2. What do all the planets in our solar system have in common? they all have the same mass they all have the same shape they all have the same atmosphere they are all made of the same materials or composition. 3. Although Earth is the largest of the inner terrestrial planets, which other planet is similar in size? (hint, which planet has almost the same diameter as earth) Mars Jupiter Mercury Venus 4. The spinning of a planet, moon, or sun on its axis is called: rotation revolution twirling spinnaker 5. One orbit of an object around another object in space like Earth orbiting the sun is called: revolution rotation any of the above. The terms are interchangeable. orbitation 6. Which planet has the greatest number of official moons? Saturn Uranus Neptune Jupiter 7. Which planet takes the least amount of time to rotateon its axis? Neptune Jupiter Mercury Mars 8. Which planet has the longest revolution? Neptune Uranus Jupiter Mercury |