www.sciencedaily.com/releases/2012/09/1209051419... - Details
yasminCarolinay: Astronomers are using radio telescopes to find radio waves emitted by hydrogen atoms, which were abundant in the early days of the universe. This new field of research, called "21-centimeter cosmology," opens the way to learning more about the...
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Astronomers are using radio telescopes to find radio waves emitted by hydrogen atoms, which were abundant in the early days of the universe. This new field of research, called "21-centimeter cosmology," opens the way to learning more about the universe's oldest galaxies.
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