Per Aspera Ad Astra • 1989 • episode "4/10" • The Sagan Series

54:05

On July 14, 2015, the New Horizons spacecraft, one of the most advanced ever built, is scheduled to fly by Pluto to take the very first detailed images of the dwarf planet. After nine years and 3 billion miles, we will finally get a close look at this strange, icy world, but only if the craft can survive the final, treacherous leg of its journey, which could take it through a dangerous field of debris.

NOVA PBS • 2015 • Astronomy

8:28

The Earth, the sun, the stars, and everything we can see, only comprise five percent of the universe. But what about the other 95 percent? Scientists are puzzling over dark matter and dark energy, the mysterious components that make up the rest.

The Economist • 2015 • Astronomy

43:01

Beneath the hood of your car lies the history of the Universe. The iron in your chassis, the gold in your stereo and the copper in your electronics all owe their existence to violent cosmic events that took place billions of years ago.

S4E1 • How the Universe Works • 2015 • Astronomy

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

12:13

An animated Odyssey about the Hubble Telescope produced by ESA/ESO and Gala Media. Amazing visuals of Hubble in orbit and its discoveries about the Universe accompanied by the breathtaking music of award winner composer Jennifer Athena Galatis.

2015 • Astronomy

44:36

Part 1 of this series chronicles NASA’s finest accomplishments in space exploration – the moments that inspired generations over the last 50 years. Re-discover the highlights of mankind’s progress including achievements such as the Freedom 7.

1/2 • NASA's Ten Greatest Achievements • 2016 • Astronomy