Astronomy 1010 Exam 2 Questions and Answers.

Semi-Major Axis (Smallest to Largest) - Answer MVEMJSUN Length of year - Answer semi-major axis or orbit size Strength of seasons - Answer Tilt of rotation axis Length of day - Answer Rotation Rate Rate at which it cools - Answer Planet Size Surface gravity - Answer Mass and Size Jovian Planets - Answer Colder and have longer years To calculate how long it takes a planet to orbit sun - Answer You must know semi major axis Saturn is 10x farther from the sun than earth, with a longer orbital period and.... - Answer Nothing, rotation rate doesn't affect anything Uranus and Neptune are farther than Jupiter and Saturn therefore - Answer They're much colder than Jupiter and Saturn What best describes the spacing between our planets in our solar system? - Answer Uneven, planets closer to the sun bunch up. Planets farther from the sun spread out. Which planet is halfway between the Sun and Pluto? - Answer Uranus Planet Size (Largest to Smallest) - Answer JSUNEVMM Best description of our solar system? - Answer Distances between planets are large compared to their size What causes a planet to have volcanoes? - Answer Having a molten interior