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Carl Sagan
Science & Wonder

Carl Sagan

Teaches Cosmic Wonder

Carl Sagan was an astronomer, cosmologist, and science communicator who made the wonders of the universe accessible to millions. His TV series Cosmos remains one of the most watched science programs in history.

4 lessons4+ hours of contentAll free on YouTube

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Deep Dives

Key Concepts You'll Learn

The Pale Blue Dot

Earth is a tiny speck—cherish and protect it.

Cosmic Perspective

Understanding our place in the vast universe.

Scientific Skepticism

Question everything, but with rigor and humility.

Wonder

Science enhances rather than diminishes the beauty of nature.