Inexplicable Space

Inexplicable Space
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Inexplicable Life
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…
Inexplicable Physics
Turn now to some inexplicable aspects of physics and our physical world. Among the many eye-opening topics you'll 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;…
Inexplicable Cosmology
Brace yourself for a fascinating trip through dimensions higher than our own. You'll discover how quantum physics and string theory have opened our 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…
History's Mysteries
Begin this journey by taking a closer look at concepts that were once unexplainable but are now better understood. You'll focus on two such former mysteries: the existence of an invisible "aether" through which light and sound were believed to travel and the orbit of Mercury, which seemed to violate…
The Spooky Universe
Did you know that electrons have never actually been observed by scientists to this day? Or that quarks can only be studied in pairs? Or that as you travel faster or find yourself in a higher gravity, time ticks more slowly for you? Delve into these and other mind-warping facts…
Exoplanets and Extraterrestrial Life
Episode 28 of Redefining Reality
Fiction writers have led the way in exploring the prospects of life beyond Earth. See how scientists are catching up, looking for extraterrestrial organisms using a variety of ingenious techniques. Learn how they are narrowing the search and which tantalizing clues have already turned up.
Part I: Acceleration Machines - Launching a Space Vehicle
Part of the Series: Physics of Spaceflight Series
Concepts Covered:
  • Newton's Laws of Motion
  • Kinematics
  • Conservation of Energy & Momentum
  • Power
  • Aerodynamic Effects
This program details the physics involved in launching a space vehicle. The Space Shuttle and Saturn V launches are dynamically examined in terms of the vehicle's thrust, changing weight, net force, acceleration, and…
Part II: Physics in Space - Orbital Motion and Re-entry
Part of the Series: Physics of Spaceflight Series
Concepts Covered:
  • Newton's Laws of Motion
  • Circular Motion
  • Rotational Dynamics
  • Heat
  • Conservation of Energy
This program focuses on the physics of orbital motion and re-entry into the earth's atmosphere. The program discusses the dynamics of orbital motion and the apparent weightlessness experienced while in orbit. Kepler's 3 laws…
Galileo - The Challenge of Reason
This dramatic production presents Galileo (Douglas Watson), challenger of traditional views of astronomy and physics, whose conflicts with established beliefs led to his trial as a heretic in 1632, but whose theories came to dominate Western thought in succeeding centuries. An LCA release. Columbus Film Festival
Time and Space
Einstein's special theory of relativity upends traditional notions of space and time. Solve the simple formulas that show the reality of time dilation and length contraction. Conclude by examining the twins paradox, discovering why one twin who travels to a star and then returns ages more slowly than the twin…
Space-Time and Mass-Energy
In relativity theory, contrary to popular views, reality is what's not relative: that is, what doesn't depend on one's frame of reference. See how space and time constitute one such pair, merging into a four-dimensional space-time. Mass and energy similarly join, related by Einstein's famous E = mc2.
Frontiers—Higgs in Space
The Standard Model explains the forces and molecules that comprise us and everything with which we interact. But even with the Higgs, we can't explain the stuff that makes up 95% of the universe: dark matter and dark energy. In his conclusion, Professor Carroll shines a light on dark matter,…