42:56

3.1a Why NASA Floundered for 50 Years

01:33:08

2.5b What are these Space Programs Doing?

52:29

2.5a Chinese Space Program

01:08:32

2.4b Sky Lab and the Shuttle

39:45

2.4a Soviet Space Race (Part 2)

01:39:33

2.3b Project Apollo: Part 2 - Apollo 9 - 17

01:27:25

2.3a Project Apollo: Part 1 - How You Go to the Moon

01:00:50

2.2b Soviet Space Race (Part 1)

52:40

2.2a Project Gemini

57:28

2.2a Project Mercury

01:32:59

2.1b Cold War Rocketry and the Space Race

01:10:38

2.1a From Science Fiction to Rocket Pioneers

01:14:14

1.5b Post Sea Race Outcomes of Colonization and Imperialism

01:07:39

1.5a After the Sea Race - The Quest to Rule the World

44:18

1.4b Vespucci Magellan and Cook

47:28

1.4a Muslim and Chinese Exploration

45:09

2a. Surface Gravity and Morgan-Keenan Classification

01:33:58

1b. Optical Depth and Absorption

01:03:39

1a. Introduction to Stellar Spectra

52:07

1.3b Columbus and Spain

01:08:39

1.3a Portuguese Explorers and Prince Henry

45:02

1.2b Paths to the East

01:26:52

1.2a The Dark Ages and the Vikings

29:23

1.1b The Overview Effect

39:29

1.1a Wanderers and Explorers

52:13

Introduction to the Course

02:35:59

The Nature of Life on Earth

02:19:12

What Makes Earth Habitable?

02:06:39

Life in the Context of the Universe

02:01:27

Modern Science (Revolutions in Spacetime and Gravity)

01:46:10

How to Science (A Story of Human Knowledge)

50:32

A Universe of Life?

03:23

Paralyzer (cover) by The Players

03:43

Time is Running Out (cover) by The Players

06:41

Where is My Mind (cover) by The Players

05:12

Enter Sandman (cover) by the Players

07:26

The Jamboreena Waltz by Mischief Night

04:44

Sombrio by Mischief Night

04:35

Uproot Yourself by Mischief Night

05:30

Welcome to my Kingdom by Mischief Night

04:09

Silence by Mischief Night

01:42:39

Habitability of Exoplanets

02:28:58

The Drake equation - Are We Alone?

01:47:02

Evolution of Habitability around the Sun

02:12:18

Life on Jovian Moons

01:33:52

Mars - Its History, Evolution, and Habitability

01:33:20

Searching for Life in Solar System

01:09:06

The Origin of Life on Earth

01:05:09

Lecture 4.E. Modeling Stellar Absorption

01:09:50

Lecture 4.A: The Radiation Field and Flux Integrals

01:10:31

Lecture 4.D: Modeling Absorption Lines

01:21:27

Lecture 4.C: The Stellar Atmosphere

49:52

Lecture 4.B: Basics of Radiative Transfer

01:08:52

Lecture 3.F: Charge Density Conservations and Temperature Gradients

01:13:41

Lecture 3.E: Saha Equation and Ionization Fractions

01:09:09

Lecture 3.D: Detailed Balancing and Boltzmann Equation

15:28

Lecture 3.C: Overview- Gas Physics, Spectra, and Modeling

36:51

Lecture 3.B: Mean Molecular Weights

01:14:29

Lecture 2.H: Tutorial on Russel Saunders Symbols

26:50

Lecture 3A: Introductory Gas Physics