Inexplicable Cosmology

Inexplicable Cosmology
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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 Space
Shoot off into the stars for an investigation of some perplexing aspects of space that science has uncovered in the last half-century. Learn about the mysterious trajectory of the Pioneer spacecraft (known as the "Pioneer anomaly"). Explore two of the longest-standing problems in modern astrophysics: dark matter and dark energy.…
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.
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
Big Bang Cosmology
Episode 6 of Redefining Reality
Investigate the underlying reality that governs the universe. Is the universe eternally the same? Or is it changing and unstable? In modern times, this debate culminated in the contest between the steady state theory and the big bang model. Hear how unexpected events led to a spectacular solution.
Physics of Spaceflight Series
The Physics of Space Flight Series is a three-part video program which presents physics principles as they apply to space flight and space related events. The program's photography was provided entirely by NASA, affording a great deal of spectacular footage accompanying the physics principles being illustrated. Computer animation and the…
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…
Part III: Gravity - A Broadened View
Part of the Series: Physics of Spaceflight Series
Concepts Covered:
  • Newton's Law of Universal Gravitation
  • Gravitational Acceleration
  • Newton's Laws of Motion
  • Fluid Mechanics
This program centers on presenting a broadened perspective of gravity, with emphasis given to observing its influence in different environments. Newton's Law of Universal Gravitation is used to determine the magnitude of the…