How We Mapped 1 Billion Stars and Other Mysteries of Outer Space

This documentary explores how astronomers mapped a billion stars, alongside other mysteries of the cosmos. It follows the missions and instruments that chart the Milky Way in extraordinary detail and reveal the scale of our galaxy. It turns vast astronomical surveys into an accessible story of discovery. It is an absorbing watch for anyone drawn to the wonders and puzzles of outer space. Free to watch in HD on Dr Documentary.

Courtesy of Documentary on YouTube. Watch on YouTube ↗

More Space & Cosmos Documentaries

Life Beyond II: The Museum of Alien Life (4K)2020•38m•4K•★9.2Life Beyond: Visions of Alien Life (4K)2024•1h 48m•4K•★9.1Death of the Universe (4K)2019•29m•4K•★9Shouting at Stars: A History of Interstellar Messages2022•32m•HD•★8.8Terrifying Anomalies in the Universe2023•2h 12m•4K•★7.9What's Going On Inside the Sun? With Lika Guhathakurta2026•1h 5m•HD•★7.8JPL and the Space Age: The Pathfinders2022•1h 0m•HD•★7.8The Fastest Spacecraft Ever Built: New Horizons' Epic Voyage2026•52m•HD•★7.7What If The Speed of Light is NOT CONSTANT?2023•21m•HD•★7.7Thousands of Never Seen Galaxies2024•6m•4K•★7.6Jupiter: What They Never Taught You in School2024•15m•4K•★8.2Was Our Current Universe Already Inevitable at One Second Old?2022•46m•HD•★8.0