07:00

The Sun's structure

10:22

Introduction to Haumea

11:53

Introduction to Makemake

12:28

Introduction to Astrochemistry

05:27

Introduction to Eris The Dwarf Planet Beyond Pluto

06:51

The Drake Equation and its implications for life beyond Earth

08:24

Theories of the Origin of Life on Earth

07:39

Overview of planetary system formation

09:03

Discovery of Ceres

08:14

Special Theory of Relativity

08:05

Overview of the Interstellar Medium

07:56

Newton's Three Laws of Motion

10:40

The discovery of Pluto

10:19

Introduction to Gravitational Waves A Brief Overvi

10:43

The geocentric model of Ptolemy

08:36

Stellar collapse and black hole formation

10:23

Origins of Babylonian Astronomy

09:00

What is nuclear fusion?

10:27

Introduction to amateur astronomy

07:37

Introduction to the Drake Equation

09:41

Introduction to Space Telescopes

07:31

The Big Bang Theory Origins of the Universe

06:42

What is dark matter

08:06

Transit of Mercury across the Sun

06:38

Introduction to Cosmic Microwave Background Radiat

06:37

The Big Bang Theory Basics Definition and explain

07:10

Definition and principles of spectroscopy

07:43

History of galaxy cluster studies

07:01

The Structure of Spiral Galaxies Arms, Bulges, and Halos

09:15

Principles of light dispersion

09:41

Structure of the Milky Way Overall Shape and Class

07:19

What is a Supernova?

08:10

The History of Optical Telescopes

08:21

Formation of White Dwarfs

09:08

What Are Variable Stars?

06:54

Protostellar cores and fragmentation

07:43

Definition of stellar mass

05:51

Jeans instability and star formation

06:19

Definition and identification of life in the solar system

07:06

What is a stellar nursery?

10:11

Introduction to the Kuiper Belt

10:49

What is the Asteroid Belt?

06:20

Origin of the Moon

07:40

What Are Asteroids?

07:04

Discovery of Neptune

07:41

Discovery of Uranus

06:40

Introduction to Saturn

09:22

Jupiter's physical characteristics

07:15

Mars' axial tilt and seasons

07:58

Earth's position in the solar system

08:23

Introduction to Venus

09:19

Introduction to Mercury

08:39

The Sun's size compared to Earth