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UNIT 9: Astronomy

Scroll down for review videos, animations, and diagrams.

Note:  Special thanks and acknowledgement to the staff at Hommocks Middle School, National Geographic, Ted Ed, and Euronews Knolwedge for providing these review clips, animations and online tools.

Apparent Motion

Sun's Path:

Earth's Rotation:

The Sun's Surprising Movement Across the Sky:

Foucault Pendulum:

The Seasons:

Reasons for the Seasons:

Apparent Motion Animations:

The Moon

The Moon:

Moon Village:

How to Think About Gravity:

A Rare Spectacular Total Eclipse of the Sun:

The Moon Animations:

The Solar System

Elliptical Orbits:

Drawing Ellipses:

The Solar System:

Solar System Data ESRT:

Could We Stop An Asteroid?

Could We Actually Live on Mars?

The Search For Other Earth-Like Planets:

A Needle In Countless Haystacks: Finding Habitable Worlds:

Solar System Animations:

Galaxies and Stars

Scale of Stars:

Characteristics of Stars ESRT:

Sunlight is Way Older Than You Think:

Galaxies:

Stars:

How Do We Study the Stars?

Light Seconds, Light Years, Light Centuries:  How to Measure Extreme Distances: 

Galaxies and Stars Animations:

The Universe

The Universe:

The Beginning of the Universe, for Beginners:

How Cosmic Rays Help Us Understand the Universe:

What Is The Universe Made Of?

What Light Can Teach Us About the Universe:

What We Can Learn From Galaxies Far, Far Away:

The Universe Animations:

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