Planets is a free Android application developed by Dana Peters. It is an education and reference app that serves as a 3D guide to the solar system for aspiring astronomers. With its 3D view of the sky, it makes it easy to identify planets and constellations. This app is perfect for those who want to learn more about the solar system and explore the universe.

The app features a 3D view of the sky that allows users to easily identify planets and constellations. It also provides information on the planets, such as their distance from the sun, size, and composition. Users can spin the Earth or any planet of their choice with one finger. Additionally, the app allows users to learn what the sky looks like at frequencies outside of the visible spectrum.