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Image of the spiral galaxy NGC 4414
From Here To There

We all know that our galaxy, the Milky Way, is big -- very big. So big in fact that its size is impossible to grasp. To cope with the astronomical distances of galaxies, since miles or kilometers won' ...

Neptune: The Basics

The eighth planet from the Sun, Neptune was the first planet located through mathematical predictions rather than through regular observations of the sky. When Uranus didn't travel exactly as astronom ...

The Fourth State of Matter

There are three classic states of matter: solid, liquid, and gas; however, plasma is considered by some scientists to be the fourth state of matter. The plasma state is not related to blood plasma, th ...

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