Astronomy

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[|Earth Orbit Song]
The Earth travels at a speed of 465 meters per second. See what happens to two cars at 60 mph (26 meters per second)

[|Crash Test]
Study Jams & Videos: [|Scale of the Universe] [|Star Size Comparison] [|A Day on Earth] [|Seasons (slideshow)] [|Gravity and Inertia] [|Newton's First Law] [|Atmosphere-Slideshow] [|Earth's Atmosphere] [|The Moon (Slideshow)] [|Spring and Neap Tides (Song)] [|Tides] [|The Universe] [|Our Solar System- Inner Planets] [|Our Solar System- Outer Planets] [|Black Hole] [|Hubble Space Telescope] [|Drinking a cup of coffee in space]