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Space telescopes can offer us better, clearer views of the universe (and of our own planet) than Earth-based telescopes can, but getting these large, delicate pieces of equipment into orbit is tricky.

"Exploring the Universe: Filtered Light" demonstrates how scientists can use telescopes and other tools to capture and filter different energies of light to study the universe.

In this activity, learners build their own magnetometer using an empty soda bottle, magnets, laser pointer, and household objects.

This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.