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Scale Model Solar System Scale Model Solar System Have you ever wondered just how big space really is? It’s huge. In fact, it’s astronomical! The Colorado Scale Model Solar System depicts the Sun, the ...
In this video segment adapted from NOVA, learn how the four rocky planets of the inner solar system formed.
A meteorite adds two million years to the solar system's age—and suggests an exploding star helped create the system we know today, a new study says.
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