01:02

Fantasy trip into an ultracompact Neutron Star

00:45

Fantasy Trip into a Neutron Star

01:01

Into the Black Hole

51:02

Lecture 22: In the Beginning ...

47:55

Lecture 16: Star Death

51:50

Lecture 19: Galaxies

49:58

Lecture 23: Early Forces and Inflation

52:06

Lecture 24: Life: Are We Alone?

49:48

Lecture 20: The Distant Universe

50:48

Lecture 25: UFOs and Pseudoscience

52:01

Lecture 17: Black Holes

47:56

Lecture 21: Geometry of the Universe

48:19

Lecture 18: Our Milky Way Galaxy

50:38

Lecture 15: Star Clusters

50:50

Lecture 14: Stars: Single and Binary

49:03

Lecture 13: The Sun's Interior

48:17

Lecture 12: The Sun's Atmosphere

53:13

Lecture 11: Comets and Meteors

51:32

Lecture 10: Pluto, Minor Planets, and Asteroids

52:36

Lecture 09: Saturn & Neptune

41:38

Lecture 08: Jupiter & Uranus

53:54

Lecture 07: Earth & Moon

51:59

Lecture 06: Mercury, Venus, & Mars

51:20

Lecture 05: Magnitudes and Calendars

50:39

Lecture 04: Moon Phases and Eclipses

51:19

Lecture 03: Universe Scale, and Light II

47:20

Lecture 02: Universe Scale, and Light

47:36

Lecture 01: A Grand Tour of the Universe

14:25

Physics Lecture:- String Theory (Overview)

14:02

Physics Lecture:- UFOs and Pseudoscience

14:14

Physics Lecture:- Potpurri :- Quantum Mechanics

12:55

Physics Lecture:- Potpurri:- Gravity

13:03

Physics Lecture:- General Physics Paradoxes

11:52

Physics Lecture:- Mathematical Fallacies

12:32

Physics Lecture:- Parlor Tricks

14:05

Physics Lecture:- Perpetual Motion

14:02

Physics Lecture:- Search for Life"- Extrasolar Planets

14:21

Physics Lecture:- Search for Life :- SETI

14:14

Physics Lecture:- Time Travel II

14:35

Physics Lecture:- Time Travel I

10:25

Physics Lecture:- The Arrow of Time

14:05

Physics Lecture:- Negative Mass

11:40

Physics Lecture:- The Anthropic Principle

13:56

Physics Lecture:- Multiverses

14:04

Physics Lecture:- Cosmology: Mass and Energy II

12:30

Physics Lecture:- Cosmology:- Mass and Energy I

14:39

Physics Lecture:- The Big Bang

10:51

Physics Lecture:- Age of the Universe

14:18

Physics Lecture:- Inflation

10:33

Physics Lecture:- Microwave Background

08:01

Physics Lecture:- Virtual Particles II

09:31

Physics Lecture:- Virtual Particles I

15:00

Physics Lecture:- General Relativity and Curved Spaces

14:02

Physics Lecture:- Olbers Paradox and the Distant Universe

14:11

Physics Lecture:- Expanding Universe

15:10

Physics Lecture:- General Relativity and Black Holes

14:24

Physics Lecture:- Trip to a Black Hole I

14:36

Physics Lecture:- Trip to a Black Hole II

11:43

Physics Lecture:- Maxwells Demon

11:04

Physics Lecture:- Pauli Exclusion Principle