2007

S3.E1 ∙ Deep Space Disasters

Mon, Nov 10, 2008

In space travel there is a saying that the first 50 miles and the last 50 miles are the most dangerous. Explore the controlled explosion of launch, the fiery crucible of reentry and everything in between. See how a single spark inside a spacecraft or a micrometeoroid less than an inch wide hitting a space station can turn a routine mission into a lethal nightmare.

7.4 /10

S3.E2 ∙ Parallel Universes

Mon, Nov 17, 2008

Some of the world's leading physicists believe they have found startling new evidence showing the existence of universes other than our own. One possibility is that the universe is so vast that an exact replica of our Solar System, our planet and ourselves exists many times over. These Doppelganger Universes exist within our own Universe; in what scientist now call "The Multiverse.

7.1 /10

S3.E3 ∙ Light Speed

Mon, Nov 24, 2008

Physical behavior that results from having a constant speed of light are described.

7.8 /10

S3.E4 ∙ Sex in Space

Mon, Dec 01, 2008

The challenges and risks of procreation in space are examined.

7.2 /10

S3.E5 ∙ Alien Faces

Mon, Dec 08, 2008

Scientists speculate on what higher life forms might look like on planets with environments different from earth.

5.9 /10

S3.E6 ∙ Deadly Comets and Meteors

Mon, Dec 15, 2008

At this very moment, celestial forces prowl the Universe and threaten man's very existence. They're asteroids and comets--and they've left their imprint on planet Earth, literally. Initially, they helped build planets through violent collisions. During this fiery bombardment period, they may have even seeded Earth with water and the building blocks for life.

6.8 /10

S3.E7 ∙ Living in Space

Mon, Dec 22, 2008

When mankind eventually leaves the cradle of Earth and ventures forth into the uncharted territories of the cosmos, where, and what form, will our new homes take? Will they be cities under glass, entrenched in distant alien soils? Will they be gleaming metropolises hanging in orbit above our heads, or in the lonely void of space?

6.6 /10

S3.E8 ∙ Stopping Armageddon

Mon, Jan 05, 2009

It sounds like a Hollywood blockbuster: a deadly asteroid is on a collision course with Earth. But in reality, it's only a matter of time before a giant space rock threatens to wipe out civilization. An asteroid took out the dinosaurs sixty-five million years ago. Are we next? This episode analyzes the threat and explores the many ways--from a nuclear bomb to ingenious new technology

7.2 /10

S3.E9 ∙ Another Earth

Mon, Jan 12, 2009

Could we be unique in the universe or is there another planet similar to earth somewhere in the cosmos? Is it possible that Alpha Centauri, our nearest star, is home to another earth-like planet? Earth sized planets have been hard to find, but indirect methods are coming on line to give scientists a good survey of how many such bodies may be in the universe.

7.4 /10

S3.E10 ∙ Strangest Things

Mon, Jan 26, 2009

Strange interstellar phenomena such as cosmic alcohol clouds, planets orbiting pulsars and dark energy is discussed.

7.7 /10

S3.E11 ∙ Edge of Space

Mon, Feb 02, 2009

Practical applications and emerging difficulties of earth orbit are described.

6.7 /10

S3.E12 ∙ Cosmic Phenomena

Mon, Feb 16, 2009

A variety of cosmic events have both helpful and harmful effects on life on Earth. From the beauty of the Aurora Borealis and rainbows to the dangers of UV radiation and cosmic rays, from the miracle of photosynthesis to the thrill of a meteor shower.

7.3 /10