Take a look with another perspective. Pupils read to find out what portion of the electromagnetic spectrum a space telescope sees and the difficulties of viewing infrared radiation from other objects in space. Individuals discover how...

How much astronomy can you study with the naked eye? Learn more about the ways scientists explore the galaxy with a short reading passage and set of short-answer questions.

An app for investigating the operation of a refracting telescope. The location of the eyepiece and objective lens can be altered, and the focal point and path of light through the lenses can be observed.

This site, in German, offers numerous apps that illustrate common physics principles. Apps are organized into categories: mechanics, oscillations and waves, electrodynamics, optics, thermodynamics, the theory of relativity, physics of...