This episode documents how gravity has an effect across the universe, and how the relatively weak force creates an orbit. We also see how a neutron star's gravity works. Finally, there is a look back at how research on gravity has enabled us to better understand the cosmos.
The final episode shows how the unique properties of light provide an insight into the origins and development of mankind and the Universe.
Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye.
#2 • Crash Course Astronomy • Astronomy
The Known Universe takes viewers from the Himalayas through our atmosphere and the inky black of space to the afterglow of the Big Bang. Every star, planet, and quasar seen in the film is possible because of the world's most complete four-dimensional map of the universe, the Digital Universe Atlas that is maintained and updated by astrophysicists at the American Museum of Natural History.
Astronaut Mike Massimino explores Venus, a hellish planet covered in active volcanoes and dense clouds. Using cutting edge technology, he decodes the secrets beneath this volatile planet and investigates if Earth could be heading towards the same fate.
S1E3 • The Planets (US) • 2017 • Astronomy
The latest discoveries suggest that we might be on the verge of discovering life beyond our planet, and scientists are investigating if earth's life began elsewhere in the universe, and whether we need to evolve to know for sure.
S7E8 • How the Universe Works • 2019 • Astronomy
Starting with a grand tour of the Solar System, powerfully told by the world’s top space scientists. From the raging inferno of the Sun to the icy beauty of Pluto, discover the secrets that the planets have kept for billions of years, revealed with stunning images from space.
1/8 • Secrets of the Solar System • 2020 • Astronomy
Our species has discovered a way to communicate through the dark, to transcend immense distances
5/10 • The Sagan Series • 1989 • Astronomy