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Astronomers missed a space explosion as powerful as a billion suns — until they spotted its echo
A cosmic explosion with an energy level equivalent to the output of a billion of suns went unnoticed by astronomers — until they caught the "echo" of this so-called gamma-ray burst, that is.
Seven astronauts were killed in the 1986 space shuttle Challenger disaster. Because a teacher was aboard, millions of schoolchildren watched the event live in school. Forty years later, many of those ...
Forty years ago, a space shuttle exploded. A teacher and her crewmates lost their lives. A generation of schoolchildren watched it happen live. I was one of them. I was 10 when the Challenger ascended ...
Add Futurism (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. During ...
Forty years ago today, Americans were stunned, shocked and saddened when the Challenger space shuttle exploded 73 seconds after liftoff on a cold, cloudless day in Florida. A booster leak ignited the ...
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