The Countdown

The Countdown

What’s happening in space, right now!

Five Unsolved Space Mysteries - The Countdown, Episode 26


Data from the Wilkinson Microwave Anisotropy Probe (WMAP) reveals that only a small fraction of our Universe is ordinary matter (Credit: NASA/WMAP team)


More to Explore:

Life on Mars

Ultra-High-Energy Cosmic Rays

Type 1a Supernovae

Dark Matter

The Fate of the Universe

The views expressed are those of the author and are not necessarily those of Scientific American.

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