5 Most Powerful Telescopes That Are Exploring the Universe

Introduction: Humanity’s Greatest Eyes on the Universe There is something deeply human about looking up at the night sky and asking what is out there. For thousands of years, that question was answered only by what our naked eyes could see — a few thousand stars, the pale smear of the Milky Way, and the…
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Strange Signals From Deep Space: Are We Really Alone?

Introduction: Something Is Out There — And It Is Talking On a quiet night in August 1977, a radio telescope at Ohio State University picked up something extraordinary. A signal so unusual, so perfectly structured, that the astronomer reviewing the data circled it on a printout and wrote a single word in the margin: Wow!…
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