Earth’s Rotation & Revolution: Crash Course Kids 8.1 by thecrashcourse: So, have you ever wondered why we have seasons? Or maybe where the sun goes when it’s night time? *Hint: It doesn’t actually go anywhere* In this episode of Crash Course Kids, Sabrina talks about the Earth’s rotation and revolution and how these things contribute to night and day and how Earth’s tilt gives us seasons. Support at: http://patreon.com/crashcourse
Wolfram Astronomy Course Assistant | Do you need an astronomy tool that does more than just show you pictures? Something that will actually help you with your school work? This app provides a suite of useful tools for helping you in your introductory computational astronomy course. From fact checking to formulas, this app provides a convenient resource to help you complete your homework and study for tests. Answers are computed on the fly using input values you specify.