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The Sun’s Corona

The White-Light Corona - The Corona is the Sun's outer atmosphere. It is visible during total eclipses of the Sun as a pearly white crown surrounding the Sun. The corona displays a variety of features ...

Get the Point?

The discus and javelin first appeared in ancient game competitions in 708 B.C. Javelin events included both target throwing and distance throwing using a sling. By 1780, the javelin was adopted as an ...
The Weightless Environment Brings Special Challenges To Astronauts. Mark Lee Tetherless and Free
Mixed Up In Space

Imagine waking up in space. Groggy from sleep, you wonder ... which way is up? And where are my arms and legs? Throw in a little motion sickness, and you'll get an idea of what it can feel like to be ...

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