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Explore path
All 30 lessons in the opening path
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Day 1
The Big Bang: How the Universe Began
Start with the origin story of the universe and the evidence that supports it.
CosmologyOriginsFoundations
Day 2
Cosmic Microwave Background Radiation
A short introduction to cosmic microwave background radiation and how it fits into the wider map of the universe.
CosmologyOriginsFoundations
Day 3
What Is a Galaxy?
A short introduction to what is a galaxy? and how it fits into the wider map of the universe.
CosmologyOriginsFoundations
Day 4
The Milky Way: Our Galactic Home
A short introduction to the milky way and how it fits into the wider map of the universe.
CosmologyOriginsFoundations
Day 5
Stars: What They Are and How They Work
A short introduction to stars and how it fits into the wider map of the universe.
CosmologyOriginsFoundations
Day 6
The Life Cycle of a Star
A short introduction to the life cycle of a star and how it fits into the wider map of the universe.
CosmologyOriginsFoundations
Day 7
Supernovae: Stellar Explosions
A short introduction to supernovae and how it fits into the wider map of the universe.
CosmologyOriginsFoundations
Day 8
Black Holes: The Point of No Return
A short introduction to black holes and how it fits into the wider map of the universe.
CosmologyOriginsFoundations
Day 9
Neutron Stars, Pulsars, and Quasars
A short introduction to neutron stars, pulsars, and quasars and how it fits into the wider map of the universe.
CosmologyOriginsFoundations
Day 10
Dark Matter: The Invisible Mass
A short introduction to dark matter and how it fits into the wider map of the universe.
CosmologyOriginsFoundations
Day 11
Dark Energy: The Expanding Universe
A short introduction to dark energy and how it fits into the wider map of the universe.
CosmologyOriginsFoundations
Day 12
The Speed of Light
A short introduction to the speed of light and how it fits into the wider map of the universe.
PhysicsSpaceFoundations
Day 13
What Is a Light-Year?
A short introduction to what is a light-year? and how it fits into the wider map of the universe.
PhysicsSpaceFoundations
Day 14
Gravity: From Newton to Einstein
A short introduction to gravity and how it fits into the wider map of the universe.
PhysicsSpaceFoundations
Day 15
General Relativity: The Curving of Space-Time
A short introduction to general relativity and how it fits into the wider map of the universe.
PhysicsSpaceFoundations
Day 16
Special Relativity and E=mc2
A short introduction to special relativity and e=mc2 and how it fits into the wider map of the universe.
PhysicsSpaceFoundations
Day 17
The Four Fundamental Forces
A short introduction to the four fundamental forces and how it fits into the wider map of the universe.
PhysicsSpaceFoundations
Day 18
The Standard Model of Particle Physics
A short introduction to the standard model of particle physics and how it fits into the wider map of the universe.
PhysicsSpaceFoundations
Day 19
Quantum Mechanics: The Basic Idea
A short introduction to quantum mechanics and how it fits into the wider map of the universe.
PhysicsSpaceFoundations
Day 20
Schrodinger's Cat and Quantum Weirdness
A short introduction to schrodinger's cat and quantum weirdness and how it fits into the wider map of the universe.
PhysicsSpaceFoundations
Day 21
String Theory: The Basic Idea
A short introduction to string theory and how it fits into the wider map of the universe.
PhysicsSpaceFoundations
Day 22
The Multiverse: Science, Speculation, and Limits
A short introduction to the multiverse and how it fits into the wider map of the universe.
PhysicsSpaceFoundations
Day 23
Our Solar System: A Guided Tour
A short introduction to our solar system and how it fits into the wider map of the universe.
AstronomyExplorationFoundations
Day 24
The Sun: Our Star
A short introduction to the sun and how it fits into the wider map of the universe.
AstronomyExplorationFoundations
Day 25
Asteroids, Comets, and Meteors
A short introduction to asteroids, comets, and meteors and how it fits into the wider map of the universe.
AstronomyExplorationFoundations
Day 26
The Kuiper Belt and Oort Cloud
A short introduction to the kuiper belt and oort cloud and how it fits into the wider map of the universe.
AstronomyExplorationFoundations
Day 27
Exoplanets: Worlds Beyond Our Solar System
A short introduction to exoplanets and how it fits into the wider map of the universe.
AstronomyExplorationFoundations
Day 28
The Fermi Paradox: Where Is Everybody?
A short introduction to the fermi paradox and how it fits into the wider map of the universe.
AstronomyExplorationFoundations
Day 29
Gravitational Waves
A short introduction to gravitational waves and how it fits into the wider map of the universe.
AstronomyExplorationFoundations
Day 30
Recap: The Universe in 10 Big Ideas
A short introduction to recap and how it fits into the wider map of the universe.
AstronomyExplorationFoundations