The final episode shows how the unique properties of light provide an insight into the origins and development of mankind and the Universe.
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The final episode shows how the unique properties of light provide an insight into the origins and development of mankind and the Universe.
As we approach the end of Crash Course Astronomy, it’s time now to acknowledge that our Universe’s days are numbered. Stars will die out after a few trillion years, protons will decay and matter will dissolve after a thousand trillion trillion trillion years, black holes will evaporate after 10^92 years, and then all will be dark. But there is still hope that a new Universe will be born from it.
45 • Crash Course Astronomy • 2016 • Astronomy
Planets that orbit two suns instead of one might be deadly hell worlds, but new discoveries reveal that sci-fi star systems with binary stars might be optimal places for alien life.
S6E2 • How the Universe Works • 2018 • Astronomy
For centuries the giant planets floated on the fringes of the solar system as distant objects in the eyepieces of astronomers. But in December 1973 mankind had its first close encounter with Jupiter. We chart the story of our discovery of these massive planets, Jupiter, Saturn, Uranus and Neptune.
S1E3 • The Planets • 2004 • Astronomy
Astronaut Chris Hadfield has seen the bullet holes left by asteroids on Earth's surface. Our planet is vulnerable. Could we ever survive elsewhere?
6/10 • One Strange Rock • 2018 • Astronomy
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
Apollo astronauts and engineers tell the inside story of how the first mission to the moon, Apollo 8, pioneered groundbreaking technologies that would pave the way to land a man on the moon and win the space race.