JAN 09, 2018 6:00 AM PST

Gamma-Ray Burst: Total Destruction From Space

WRITTEN BY: Daniel Duan

There is an extinction scenario that human kind has not paid enough attention to: gamma-ray bursts. 

To astronomers, gamma-ray bursts (GRBs) are among the most energetic and explosive events in the universe. They are incredibly energetic but short-lived explosions, lasting from a few milliseconds to about a minute.

All GRBs observed so far occurred in distant galaxies. The intense radiation from GRBs could originate from a supernova, high-mass star collapses to form a neutron star, quark star, or black hole.

According to a study published in Nature in July 2017, an international team of astronomers constructed one of the most detailed descriptions of a gamma-ray burst (known as GRB160625B) to date, using a wide array of ground- and space-based telescope observations.

A nearby GRB event, say at the distance of a few parsec (one parsec equals to about 2e+13 miles or 3e+13 kilometers) away from Earth, can create toxic chemical products in our atmosphere and also raise the UV radiation to life-damaging level.

Source: PBS Space Time via Youtube  

About the Author
  • Graduated with a bachelor degree in Pharmaceutical Science and a master degree in neuropharmacology, Daniel is a radiopharmaceutical and radiobiology expert based in Ottawa, Canada. With years of experience in biomedical R&D, Daniel is very into writing. He is constantly fascinated by what's happening in the world of science. He hopes to capture the public's interest and promote scientific literacy with his trending news articles. The recurring topics in his Chemistry & Physics trending news section include alternative energy, material science, theoretical physics, medical imaging, and green chemistry.
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