Episodes

Cover image for What is the Large-Scale Structure of the Universe?

Galaxies and clusters of galaxies, untold billions of them, adorn the cosmos. How did such large-scale structure of the universe come about?

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What is the Large-Scale Structure of the Universe?

Episode 02

Season 06

26:46

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Cover image for What does an Expanding Universe Mean?

The expanding universe is humanity’s monumental discovery. Beginning with something infinitesimally small, the universe has become something majestically large. How...

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What does an Expanding Universe Mean?

Episode 03

Season 04

26:46

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Topic Series

6 items

The expanding universe is humanity’s monumental discovery. Beginning infinitesimally small, the universe has become majestically large. How could this happen? What...

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What does an Expanding Universe Mean?

Topic Series

7 videos

1:07:48

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Cover image for Why is the Universe Expanding?

We know our universe is expanding—this is one of humankind’s seminal discoveries. What caused such colossal expansion? We call it the Big Bang, but what were the...

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Why is the Universe Expanding?

Topic Series

7 videos

1:13:08

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Cover image for How Significant is an Expanding Universe?

What to make of an expanding universe? For one thing, roll the ‘movie’ in reverse and we have all the matter concentrated in what seems to be a single point,...

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How Significant is an Expanding Universe?

Topic Series

3 videos

30:25

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Cover image for How did Matter Form in the Early Universe?

The early universe was a superhot plasma of particles all running seemingly at random as if in a gigantic cauldron. How then the structure we see today with galaxies, stars,...

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