Our Planet
2019
Search results
Perhaps unsurprisingly, our universe has just the right mass–energy density, equivalent to about 5 protons per cubic metre, which has allowed it to expand for the last 13.8 billion years, giving time to form the universe as observed today. [65] [66] There are dynamical forces acting on the particles in the universe which affect the expansion ...
A TV series that explores the natural world from the origin of the universe to the oceans of Earth. Narrated by Morgan Freeman, it features stunning visuals and scientific insights into the connections between nature and cosmos.
- (3K)
- 2022-11-22
- Documentary
- 45
Learn how the universe evolved from the big bang to the present day, and what mysteries remain to be explored. Discover the key events, eras, and discoveries that shaped our cosmic story, from cosmic inflation to dark energy.
The universe is everything, including space, time, matter and energy. Learn how old the universe is, what it is made of, and how it has changed over time.
Witness the remarkable story of our universe over billions of years and its inextricable link to life on Earth in this sweeping documentary series. Watch trailers & learn more.
- 1
- November 22, 2022
- 2 min
Learn about the history, composition, and exploration of the cosmos with NASA. Discover exoplanets, black holes, and the sound of space data.
ViewSpace is a free, web-based collection of digital interactives and videos highlighting the latest developments in astronomy and Earth science. You can discover how different forms of light, invisible objects, and satellites help us understand the universe and our planet.
