"Pale Blue Dot" (book)

"Pale Blue Dot" is a book by astronomer Carl Sagan that reflects on Earth's fragile existence in the vast universe. Inspired by a photograph taken by the Voyager 1 spacecraft, showing Earth as a tiny, pale dot from billions of miles away, the book emphasizes humanity's unity and the importance of caring for our planet. It explores themes of cosmic perspective, humility, and the importance of scientific curiosity, urging us to recognize our shared responsibility to protect our only home in the cosmos.