Episode 4: Telescopes | A Practical Guide to the Cosmos

Over 400 years ago, Galileo saw Jupiter through the lens of a telescope. Today, we can capture images of black holes 55 million light-years from Earth. In this episode, Derrick and Kalpana explain how different types of telescopes work, which ones they prefer, and what the future of telescope technology may bring.

See the universe like never before! Subscribe to The Franklin Institute for brand-new weekly episodes of A PRACTICAL GUIDE TO THE COSMOS, an original video series co-hosted by Chief Astronomer Derrick Pitts and @TokNerdyToMe’s Kalpana Pot. Explore the many secrets of the universe, from black holes and exoplanets to space travel and the end of time. Plus we’ll show you how, when, and where to make the most of the night sky wherever you are.

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