Secrets of Saturn • 2021 • episode "S2E1" • Mysteries of our Universe: Our Solar System

54:03

In the fall of 2020, a NASA spacecraft called OSIRIS-REx attempts to reach out and grab a piece of an asteroid named Bennu and bring it back to Earth. The OSIRIS-REx team has just three chances to extend its spacecraft's specialized arm, touch down for five seconds, and collect material from the surface of Bennu. Can they pull it off? NOVA takes you inside the mission as the team plans its approach: They must map the asteroid's surface, choose possible collection sites, and rehearse the risky maneuver. If the collection is successful, scientists could gain great insight into Earth's own origins—and even learn to defend against rogue asteroids that may one day threaten our planet.

NOVA PBS • 2020 • Astronomy

47:38

In 1972, the crew of Apollo 17 captured the iconic 'Blue Marble': the first photograph ever taken by an astronaut of the entire Earth. This photo had a profound effect on our perception of ourselves. Since then, Nasa has taken millions more. In this epic, powerful and revelatory documentary, a new generation of astronauts, including Tim Peake, use those images of the Earth from space to reveal the astonishing transformation humanity has wrought in the 45 years since 'Blue Marble'. Together, the astronauts provide an armchair tour of the change they've witnessed from orbit, as humankind etches our presence on the planet. Using stunning time-lapse sequences, the programme reveals how we are reshaping our world, for better and for worse: from the sprawling megacities of China to vast desert farms in the Middle East and from the melting snowcap of Kilimanjaro to giant solar arrays in Nevada.

2017 • Astronomy

42:29

A look at the concepts behind changing the way we travel through the space-time continuum, and how extreme speed and extreme gravity can change the rules of the game.

S8E5 • How the Universe Works • 2020 • Astronomy

43:56

Explore the story behind the man who found the first clues to life's beginnings on Earth.

3/13 • Cosmos: Possible Worlds • 2020 • Astronomy

9:00

How do these objects differ from one another, if at all? Nick Moskovitz, an astronomer at the Lowell Observatory, compares these space solar system bodies.

2015 • Astronomy

58:30

Brian Cox discusses the elements of which all living things, including humans, are made. He explores the beginnings of the universe and the origins of humanity, going far back in time to look at the process of stellar evolution.

S1E2 • Wonders of the Universe • Astronomy