Hunt for the First Star • 2015

11:13

Today we’re talking about our galactic neighborhood: The Milky Way. It’s a disk galaxy, a collection of dust, gas, and hundreds of billions of stars, with the Sun located about halfway out from the center. The disk has grand spiral patterns in it, formed by the traffic jams of stars and nebulae, where stars are born. The central region is shaped like a bar, and is mostly old, red stars. There’s also a halo surrounding us of old stars.

37 • Crash Course Astronomy • 2015 • Astronomy

43:13

Explores the violent cosmic phenomenon of supernovas, which on average occur once per galaxy per century or one billion times per year in the observable universe.

S1E8 • Cosmos: A Spacetime Odyssey • Astronomy

42:05

Astronauts have detected a mysterious region of space that's dangerous for reasons they have yet to understand, and scientists believe the long-term effects of this danger zone may have implications for the future of humanity both in space and on Earth.

S8E4 • Space's Deepest Secrets • 2021 • Astronomy

59:02

Brian Cox explores the ingredients needed for an intelligent civilisation to evolve in the universe - the need for a benign star, for a habitable planet, for life to spontaneously arise on such a planet and the time required for intelligent life to evolve and build a civilisation. Brian weighs the evidence and arrives at his own provocative answer to the puzzle of our apparent solitude.

S1E3 • Human Universe • 2014 • Astronomy

43:56

How a deadly embrace between science and state altered the fate of the world, and a gripping cautionary tale of mass casualty and unlikely survival.

10/13 • Cosmos: Possible Worlds • 2020 • Astronomy

89:08

When Neil Armstrong stepped onto the moon in 1969, America went down in popular history as the winner of the space race. But that history is bunk. The real pioneers of space exploration were the Soviet cosmonauts. This documentary combines rare and unseen archive footage with interviews with the surviving cosmonauts to tell the fascinating and at times terrifying story of how the Russians led us into the space age. A particular highlight is Alexei Leonov, the man who performed the first spacewalk, explaining how he found himself trapped outside his spacecraft 500 miles above the Earth.

2014 • Astronomy