Education resources for parents, students, teachers & administrators
Cosmology and Astronomy Video Lessons by Topic
- Scale of Earth and Sun
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- Scale of Solar System
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- Scale of Distance to Closest Stars
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- Scale of the Galaxy
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- Intergalactic Scale
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- Hubble Image of Galaxies
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- Big Bang Introduction
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- Radius of Observable Universe
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- (Correction) Radius of Observable Universe
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- Red Shift
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- Cosmic Background Radiation
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- Cosmic Background Radiation 2
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- Cosmological Time Scale 1
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- Cosmological Time Scale 2
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- Four Fundamental Forces
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- Birth of Stars
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- Becoming a Red Giant
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- White and Black Dwarfs
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- A Universe Smaller than the Observable
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- Star Field and Nebula Images
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- Parallax in Observing Stars
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- Stellar Parallax
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- Stellar Distance Using Parallax
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- Stellar Parallax Clarification
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- Parsec Definition
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- Hubble's Law
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- Lifecycle of Massive Stars
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- Supernova (Supernovae)
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- Supernova clarification
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- Black Holes
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- Cepheid Variables 1
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- Why Cepheids Pulsate
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- Why Gravity Gets So Strong Near Dense Objects
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- Supermassive Black Holes
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- Quasars
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- Quasar Correction
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- Galactic Collisions
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- Earth Formation
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- Beginnings of Life
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- Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon
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- Biodiversity Flourishes in Phanerozoic Eon
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- First living things on land clarification
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- Plate Tectonics-- Difference between crust and lithosphere
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- Structure of the Earth
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- Plate Tectonics -- Evidence of plate movement
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- Plate Tectonics -- Geological Features of Divergent Plate Boundaries
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- Plate Tectonics-- Geological features of Convergent Plate Boundaries
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- Plates Moving Due to Convection in Mantle
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- Hawaiian Islands Formation
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- Compositional and Mechanical Layers of the Earth
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- Seismic Waves
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- Why S-Waves Only Travel in Solids
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- Refraction of Seismic Waves
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- The Mohorovicic Seismic Discontinuity
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- How we know about the Earth's core
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- Pangaea
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- Scale of the Large
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- Scale of the Small
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- Detectable Civilizations in our Galaxy 1
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- Detectable Civilizations in our Galaxy 2
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- Detectable Civilizations in our Galaxy 3
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- Detectable Civilizations in our Galaxy 4
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- Detectable Civilizations in our Galaxy 5
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- Human Evolution Overview
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- Understanding Calendar Notation
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- Correction Calendar Notation
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- Development of Agriculture and Writing
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- Introduction to Light
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- Seasons Aren't Dictated by Closeness to Sun
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- How Earth's Tilt Causes Seasons
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- Milankovitch Cycles Precession and Obliquity
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- Are Southern Hemisphere Seasons More Severe?
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- Precession Causing Perihelion to Happen Later
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- What Causes Precession and Other Orbital Changes
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- Apsidal Precession (Perihelion Precession) and Milankovitch Cycles
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- Firestick Farming
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- Carbon 14 Dating 1
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- Carbon 14 Dating 2
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- Potassium-Argon (K-Ar) Dating
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- K-Ar Dating Calculation
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- Chronometric Revolution
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- Collective Learning
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- Land Productivity Limiting Human Population
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- Energy Inputs for Tilling a Hectare of Land
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- Random Predictions for 2060
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