How Were Gamma-Ray Bursts (GRBs) Discovered?

Discover how GRBs were first detected by Vela satellites in the 1960s, revealing powerful cosmic gamma-ray explosions.

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Gamma-ray bursts (GRBs) were discovered in the late 1960s by the Vela satellites, which the U.S. Department of Defense launched to detect gamma radiation from possible nuclear tests in space. Instead of man-made signals, they unexpectedly detected natural bursts of gamma rays coming from astronomical sources, leading to the discovery of these powerful cosmic explosions.

FAQs & Answers

  1. What are gamma-ray bursts (GRBs)? Gamma-ray bursts (GRBs) are intense bursts of gamma radiation originating from distant cosmic explosions and are among the most energetic events in the universe.
  2. Why were Vela satellites launched? Vela satellites were launched by the U.S. Department of Defense in the 1960s to detect gamma radiation from possible nuclear tests in space.
  3. When were gamma-ray bursts discovered? Gamma-ray bursts were discovered in the late 1960s when Vela satellites detected unexpected natural gamma-ray signals from space.
  4. What caused the discovery of GRBs? The discovery of GRBs happened when Vela satellites, sent to monitor nuclear tests, detected unanticipated natural bursts of gamma rays from astronomical sources.

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