In this talk-show with the popular astrophysicist Neil deGrasse Tyson, Bill explores a variety of topics, including the nature of an expanding, accelerating universe (and how it might end), the difference between “dark energy” and “dark matter,” the concept of God in cosmology and why science matters.
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Determining the age of the universe continues to be an elusive endeavor for scientists as their results are conflicting. Without a definitive answer, everything known about the cosmos could be completely wrong.
S10E5 • How the Universe Works • 2021 • Astronomy
To determine whether we're alone in the universe, astrobiologists look to Jupiter, Mars, and, closer to home, extreme environments on Earth.
2016 • Astronomy
Carl Sagan talks about religion and the universe
3/10 • The Sagan Series • 1989 • Astronomy
Commander Stephen Hawking pilots his space ship the SS Hawking on the journey of a lifetime, zooming from black holes to the Big Bang, Saturn to Santa Barbara. After all, why should astronauts have all the fun?
2016 • Astronomy
It is one of the most baffling questions that scientists can ask: how big is the Universe that we live in? Horizon follows the cosmologists who are creating the most ambitious map in history - a map of everything in existence. And it is stranger than anyone had imagined - a Universe without end that stretches far beyond what the eye can ever see. And, if the latest research proves true, our Universe may just be the start of something even bigger. Much bigger.
Follow the historic rescue of Hubble—the space telescope that unveiled the cosmos.