Auroras—Light Shows on the Edge of Space

Auroras—Light Shows on the Edge of Space
Show More

Comments (1)

Anonymous picture
Pauline

What a disappointment. Instead of extended visual imagery of the auroras and the other wondrous phenomena discussed in this video, all we see for almost all the 32 minutes is a man in a suit in a room. Such bad pedagogy: you need to show people the phenomena first, then go to the physics. ...Read more

Related videos

Cave of Crystals—Exquisite Caves
Focus on the spectacular shapes, such as stalagmites, stalactites, flowstones, and other cave features formed by minerals slowly precipitating from water. Then visit the recently discovered Cave of Crystals in Mexico, a science-fiction-like world with individual crystals up to 35 feet long.
Mystery of the Megaflood
Part of the Series: NOVA
One of the Earth's strangest geological riddles is the evidence for a huge catastrophe that struck eastern Washington State thousands of years ago. It took scientists decades to figure out that a colossal flood had carved out bizarre landscape features strewn across thousands of square miles. On "Mystery of the…
Why Time Is a Mystery
Begin your study of the physics of time with these questions: What is a clock? What does it mean to say that "time passes"? What is the "arrow of time"? Then look at the concept of entropy and how it holds the key to the one-way direction of time in…
Time Travel
Use a simple analogy to understand how a time machine might work. Unlike movie scenarios featuring dematerializing and rematerializing, a real time machine would be a spaceship that moves through all the intervening points between two locations in spacetime. Also explore paradoxes of time travel.
The Internet and Virtual Reality
Episode 35 of Redefining Reality
For all of their ubiquity, personal computers, email, and the Internet represent a major departure in the evolution of computer technology. Witness the exciting and improbable birth of personal computing in the 1970s, and explore the nature of the virtual world where more and more people now reside.
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…
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;…
Ancient Computer
Part of the Series: NOVA
In 1900, a storm blew a boatload of sponge divers off course and forced them to take shelter by the tiny Mediterranean island of Antikythera. Diving the next day, they discovered a 2,000 year-old Greek shipwreck. Among the ship's cargo they hauled up was an unimpressive green lump of corroded…
Ghosts of Murdered Kings
Part of the Series: NOVA
In the rolling hills of Ireland's County Tipperary, a laborer harvesting peat from a dried-up bog spots the remnants of a corpse and stops his machine just in time, revealing a headless torso almost perfectly preserved and stained dark brown by the bog. Archeologists recognize the corpse as one of…
The Science of Healing
PBS
The Science of Healing follows Dr. Sternberg to a tiny village in Greece, where her personal experience of the power of place in healing inspired the research that led to this program. We join her as she explores ruins of ancient Greek healing temples, and visits cutting edge science labs…
Arizona Meteor Crater—Visitors from Outer Space
Meteor Crater in Arizona is the best preserved of Earth's few remaining impact craters. Why does the moon have more than 500,000 craters at least as large? Explore what happens when extraterrestrial debris strikes Earth at escape-velocity speeds. A relatively small object can do a surprising amount of damage.