TELEVISION

Life in Our Universe

Series: Great Courses
4.4
(40)
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Episodes
24
Rating
TVPG
Year
2013
Language
English
Publisher
The Great Courses

About

Are we alone in the universe? Or does the cosmos pulse with diverse life forms? Life in Our Universe reveals the cutting-edge research leading scientists to believe that life is not exclusively the domain of Earth. Taught by an award-winning professor of astronomy and astrophysics, these 24 stunningly visual lectures offer an unparalleled look at some of the universe's most vexing dilemmas.

Related Subjects

Episodes

1 to 3 of 24

1. Is There Life Elsewhere in Our Universe?

30m

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Is there life in our universe? As you get an overview of the course - including the five major questions it will endeavor to answer - consider the possibility that life exists in some form in the cosmos. Learn how exponential growth in technological developments is enabling breakthroughs that were recently impossible.

2. Bang! A Universe Built for Life

30m

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How did we go from a dead universe to a universe full of life? Begin to answer this question by evaluating the scientific evidence supporting the big bang theory of the universe's creation, and learning the role stars play in creating carbon and the key elements needed for life.

3. A Star Is Born - Forming the Solar System

30m

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How do you make a planet? Look at what is currently known about the process by which our solar system's planets formed from billions of small planetesimals, as well as how this process left the universe teaming with asteroids and comets that play an important role in life on Earth.

4. The Early Earth and Its Moon

30m

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Follow a series of mishaps and cataclysmic events that set the stage for early Earth to finally flourish with life after 650 million years. Learn how a hot core, a large moon, and other properties on Earth helped lead to an active biosphere.

5. Impacts - Bringers of Death ... or Life?

30m

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Delve into the Late Heavy Bombardment period that kept Earth stuck in a lifeless state for 650 million years, then watch an animation demonstrating the K-T impact event that wiped out the dinosaurs. Consider whether it's possible to protect ourselves from asteroids hurtling toward Earth - and why Hollywood gets it all wrong.

6. Evidence of the First Life on Earth

30m

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How has the Earth managed to stay within a moderate range of temperatures for billions of years, despite the atmosphere's wild fluctuations in oxygen? Study how convection, greenhouse gases, and the carbon rock cycle contribute to a powerful system of checks and balances that keep Earth's climate consistent with supporting life. Also, meet some of Earth's earliest life.

Extended Details

  • Closed CaptionsEnglish

Artists

Laird Closewriter
The Great Coursesproducer
Laird Closeactor