Astronomy Videos

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What is Astronomy? - Definition, History, Timeline & Facts
What is Astronomy? - Definition, History, Timeline & Facts
24K
The Scientific Field of Astronomy
The Scientific Field of Astronomy
32K
Ptolemy Theory of the Universe: Lesson for Kids
Ptolemy Theory of the Universe: Lesson for Kids
17K
The Universe's Curvature, Age & Fate
The Universe's Curvature, Age & Fate
1.5K
The Ancient Study of Astronomy
The Ancient Study of Astronomy
12K
How Does the Interstellar Medium Help Form Stars?
How Does the Interstellar Medium Help Form Stars?
3.1K
The Solar Nebula Theory: Formation of the Solar System
The Solar Nebula Theory: Formation of the Solar System
28K
Telescopes: Powers & Limitations
Telescopes: Powers & Limitations
5.1K
What is the Winter Solstice? - Definition & History
What is the Winter Solstice? - Definition & History
17K
Intelligent Life in Our Universe
Intelligent Life in Our Universe
1.6K
The Constellations: Definition & Name Origins
The Constellations: Definition & Name Origins
18K
Telling the Minutes to 30: Time in Spanish
Telling the Minutes to 30: Time in Spanish
12K
Solar Nebular Hypothesis: Definition & Explanation
Solar Nebular Hypothesis: Definition & Explanation
218K
Bertrand Russell's ~'Teapot~' Argument
Bertrand Russell's ~'Teapot~' Argument
2K
Galileo, the Telescope & the Church
Galileo, the Telescope & the Church
24K
The Origin of Gamma-ray Bursts
The Origin of Gamma-ray Bursts
2K
Comparing Elements in the Universe to Those on Earth
Comparing Elements in the Universe to Those on Earth
37K
Ptolemy and the Ptolemaic System
Ptolemy and the Ptolemaic System
9.5K
The Clockwork Universe & Psychology: Mechanism, Determinism & Reductionism
The Clockwork Universe & Psychology: Mechanism,...
1.1K
Tycho Brahe and Copernicus Take On the Known Universe
Tycho Brahe and Copernicus Take On the Known Universe
9K
Is There Life on Other Planets?
Is There Life on Other Planets?
5.1K
Satan in Paradise Lost: Description, Speech & Fall
Satan in Paradise Lost: Description, Speech & Fall
52K
Milton's Paradise Lost: Summary, Theme, and Quotes
Milton's Paradise Lost: Summary, Theme, and Quotes
73K
Origins of the Universe: The Big Bang and Expanding & Contracting Universes
Origins of the Universe: The Big Bang and Expanding &...
65K
The Four Kinds of Trajectories for Celestial Objects
The Four Kinds of Trajectories for Celestial Objects
7.1K
What is an Equinox? - Definition & Types
What is an Equinox? - Definition & Types
41K
How To Calculate the Age of the Universe
How To Calculate the Age of the Universe
9.5K
The Condensation Sequences & Planetary Formation
The Condensation Sequences & Planetary Formation
8.9K
Telescopes & the Electromagnetic Spectrum
Telescopes & the Electromagnetic Spectrum
4.9K
Three Models of the Universe: Flat, Open & Closed
Three Models of the Universe: Flat, Open & Closed
14K
Lunar Eclipse: Definition & Types
Lunar Eclipse: Definition & Types
17K
Planetary Predictors of Extraterrestrial Life
Planetary Predictors of Extraterrestrial Life
4.5K
Interactions in the Sun-Earth-Moon System
Interactions in the Sun-Earth-Moon System
69K
How Can We Predict An Eclipse?
How Can We Predict An Eclipse?
5.8K
Radio Telescope: Definition, Parts & Facts
Radio Telescope: Definition, Parts & Facts
35K
Gravity in the Solar System: Shaping Planets & Stars
Gravity in the Solar System: Shaping Planets & Stars
38K
Comparing the Human Lifetime to the Universe
Comparing the Human Lifetime to the Universe
5.8K
Solar Nebula Theory & Patterns of Planetary Motion
Solar Nebula Theory & Patterns of Planetary Motion
14K
Types of Telescopes: Radio, Reflecting & Refracting Telescopes
Types of Telescopes: Radio, Reflecting & Refracting...
54K
What is a Lunar Eclipse? - Definition, Facts & Frequency
What is a Lunar Eclipse? - Definition, Facts & Frequency
80K
Factors That Hinder Astronomical Observations on Earth
Factors That Hinder Astronomical Observations on Earth
3.4K
The Lunar Calendar & Metonic Cycle
The Lunar Calendar & Metonic Cycle
6.3K
Astronomical Units & Light Years: Definition & Examples
Astronomical Units & Light Years: Definition & Examples
25K
Heliocentric Theory: Definition & Model
Heliocentric Theory: Definition & Model
54K
Hell in Paradise Lost: Description & Concept
Hell in Paradise Lost: Description & Concept
32K
The Six Elements Found in Organisms
The Six Elements Found in Organisms
9.8K
Days of the Week in Spanish
Days of the Week in Spanish
287K
What is the Interstellar Medium?
What is the Interstellar Medium?
5.2K
The Copernican Revolution
The Copernican Revolution
14K
Origin Myth: Definition & Examples
Origin Myth: Definition & Examples
35K
Converting 1 Year to Seconds
Converting 1 Year to Seconds
14K
Geocentric, Heliocentric & Ptolemaic Models of the Universe
Geocentric, Heliocentric & Ptolemaic Models of the Universe
24K
Olbers' Paradox & Cosmic Expansion: Nature of the Universe
Olbers' Paradox & Cosmic Expansion: Nature of the Universe
1.9K
Cosmic Recycling: From Stellar Death to Human Life
Cosmic Recycling: From Stellar Death to Human Life
2.9K
Six Elements Common to Biological Organisms
Six Elements Common to Biological Organisms
33K
Dark Matter & Gravitational Lensing
Dark Matter & Gravitational Lensing
2.6K
Radio Telescopes & Interferometry
Radio Telescopes & Interferometry
2.8K
The Connection Between the Seven Days of the Week & Astronomical Objects
The Connection Between the Seven Days of the Week &...
4.9K
The Steady State Theory vs. the Big Bang Theory
The Steady State Theory vs. the Big Bang Theory
14K
Using the Magnitude Scale to Compare Star Brightness
Using the Magnitude Scale to Compare Star Brightness
5.3K
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