A Moment of Science
Last time we mentioned the time when Soviet radio astronomers went public about listening in on radio signals from an alien civilization. As it turned out, what they were actually listening to was a quasar: the blazing core of a galaxy that can emit radio waves that fluctuate in a regular pattern. So regular, in fact, that people thought it was an alien intelligence. Learn more on this Moment of Science.
This is it! Scientists have finally found definitive proof of an advanced alien civilization of incredible power!
But the farther away the gun is, the wider the beam gets spread so that only a small fraction of the total light power can go into anyone’s eye.
We hear a lot about insect pests, but have you ever heard about the zebra mussel and what it can do to power plants? Find out on today's Moment of Science.
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