Neil deGrasse Tyson
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Could you travel to the past and visit Julius Caesar? Could you travel to the year 4000 and see what the future is like? Find out about the possibilities and paradoxes of time travel. Time marches on except in astrophysics. Einstein taught us that time is a coordinate in space, and it's all relative. Learn about the weird physics of our universe that could make time travel possible. Standing in for Lynne Koplitz this week is J. Richard Gott, author...
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Do you want to believe? Seth Shostak of SETI talks about his hunt for aliens in this show about the search for life beyond Earth. Scientists have been searching for aliens in our solar system and beyond, but have not yet found evidence that life exists beyond Earth. SETI, the Search for Extraterrestrial Intelligence, has been scanning the stars for alien radio beacons for 50 years. Radio and TV broadcasts have been leaking from Earth's atmosphere...
6) Summer Skies
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Star light, star bright, what will I find over the rainbow? Take a tour of the summer skies of the day and night. Starry starry nights, stormy and sun-filled days. Long summer days of picnics and ballgames are played out under a vast and gorgeous canvas of astronomical and meteorological curiosities. From the stories of the stars told by the ancients, to a recent mammatus cloud over CitiField in New York, learn about the phenomena in the summer skies...
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Do viewers know that electrons have never actually been observed by scientists to this day? Or that quarks cannot be studied in isolation? Or being in stronger gravity or traveling rapidly slows the ticking of time relative to the rest of the universe? Delve into these and other mind-warping facts about the fundamentals of matter in a episode that covers everything from particle physics to quantum tunneling.
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Turn now to some inexplicable aspects of physics and the physical world. Among the many eye-opening topics viewers will learn about in this episode are the discovery of more and more elements on the periodic table; muon neutrinos, tao particles, and the three regimes of matter; the secrets of string theory; and even the hypothetical experience of traveling through a black hole.
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Viewers should brace themselves for a fascinating trip through dimensions higher than their own. They will discover how quantum physics and string theory have opened eyes to the possibilities of quantum foam, the multiverse, and antimatter. Join Professor Tyson for a preview of the fate of the universe (including the collision of galaxies, the burning out of stars, and the decay of orbits into black holes).
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This year marks the 400th anniversary of Galileo's use of the first telescope. On this week's show, we reflect on how telescopes have changed our perception of our place in the universe, how small we are in size, space and time. Our guests include Dava Sobel, author of The Planets, Vatican Astronomer Father Chris Corbally, and astronaut Paul Richards. We also discuss how they help astronomers discover new and interesting aspects of the universe, from...
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Join Professor Tyson on a fascinating investigation of the possible origins of life in the universe. Why was Jupiter believed to be a good environment for life in the 17th century? Why is there only one single 'tree of life' on Earth instead of multiple ones? Could life have come from another planet? And what exactly is meant by scientists who hope to find examples of life that is 'intelligent'?
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Forty years ago, on the dusty plains known as the Sea of Tranquility, Neil Armstrong stepped off a lunar module and into the pages of history. That's one small step for man, one giant leap for mankind. Neil Armstrong spoke these words after placing his foot down onto lunar soil, and throughout the course of the Apollo program, eleven other astronauts also walked on the Moon. In this show, Neil Armstrong, Buzz Aldrin, and many others share their memories...