NASA
Taking Apart the Light
Break down light into spectra. Scholars learn how atoms emit and absorb photons and come to understand how this process allows scientists to identify different atoms based on either absorption lines or emission lines. Learners then...
Mr. E. Science
Stars, Galaxies and the Universe
It takes 225 million years for our sun to travel around the galaxy. The presentation covers astronomical units, light years, telescopes, types of stars, the life cycle of a star, and types of galaxies. This is the last lesson in a...
NASA
Taking a Cold, Clear Look at the Universe
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...
Space Telescope Science Institute
Amazing Space: Star Light Star Bright
Learn all about stars and the electromagnetic spectrum in this series of activities.