Ground-breaking discoveries in cosmology, driven by missions like Voyager I, explore the universe's size, the mysteries of dark matter and dark energy, and the potential for extraterrestrial life.
Synopsis
Ground-breaking discoveries in cosmology, driven by missions like Voyager I, explore the universe's size, the mysteries of dark matter and dark energy, and the potential for extraterrestrial life.
Synopsis
How big is the universe? If it began with the Big Bang, will it also have an end? Is there life beyond our planet? Questions like these inspired the launch of Voyager I in 1977 and have driven innovative space research and exploration ever since. Trace ground-breaking discoveries that have transformed our picture of the universe, from an age when we knew of no planets beyond our solar system, to today, when we have evidence of thousands and estimate trillions more. And follow the teams trying to solve two of the biggest mysteries in cosmology today: What are dark matter and dark energy?
Deep Dive
Why Watch
- Find out what dark matter really is.
- See Voyager 1's journey past Jupiter and Saturn.
- Meet scientists predicting future cosmic breakthroughs.
Did You Know
- Dark matter is four to five times more abundant than visible matter.
- Voyager 1 launched on September 5, 1977, and is NASA's longest mission.
- In 1990, Voyager 1 sent its last images of Earth, showing it as a 'pale blue dot.'
- Experts believe dark matter will be the most exciting topic in the next 50 years.
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Frequently Asked Questions
What is dark matter's abundance compared to visible matter?
Dark matter is four to five times more abundant than the visible matter in the universe.
When was Voyager 1 launched?
Voyager 1 was launched on September 5, 1977.
What did Carl Sagan refer to Earth as in the images sent back by Voyager 1?
Carl Sagan referred to Earth as 'a pale, blue dot' in the images sent back by Voyager 1.
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