The Cosmos in Focus

Find out what's new in astronomy, cosmology, astrophotography, and related Science & Technology as well as general posts on all of these things, and more! This section is simply a list of articles and such that don't belong elsewhere.

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Mysteries of the Speed of Light

Today, we're going to explore one of the most fundamental constants in the universe, and the basis for how our particular form of time travel works: the speed of light.

light