價格：免費
檔案大小：4.4 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPad 相容。
支援語言：英語
Go beyond the standard textbooks and take learning to the next level. Take part in scientific explorations, interactive exercises—and do it all right there on your device!
Discover how a rocket launched from a planet can escape the planet’s gravity. Help a group of friendly alien children explore different planets with different masses.
• Choose a planet to travel to. Planets differ by mass.
• Choose a velocity to launch the rocket at.
• Your rocket must not crash back on the planet, or escape the planet completely.
• Discover how the mass of the planet affects the velocity required to enter the orbit.
App features:
• Discover how objects stay in orbit around an object in space.
• Launch rockets on different planets at different velocities.
• Beautiful visuals of aliens and different planets.
• Test your knowledge with interactive tasks and quizzes.
• Want more? Check out the AC library in the App Store.
支援平台：iPad