Gamma-ray bursts are extremely energetic cosmic events observed by NASA when massive stars collapse in distant galaxies, releasing more energy in seconds than the sun will produce in its entire lifetime; if one were aimed at Earth from a nearby region, it could instantly strip away the ozone layer and destroy our atmosphere, but because these bursts travel at the speed of light, we would not see them coming until after the damage has already occurred.
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We'd already be dead before we knew itđłAñadido:
What if I told you the universe has a death signal that could already be aimed at us?
>> [music] >> It's called a gamma ray burst and NASA has observed them coming from collapsing massive stars [music] in distant galaxies.
In just a few seconds, it can release more energy than the sun will produce in its entire lifetime.
>> [music] >> If one happened close enough and pointed at Earth, it could strip away the ozone layer instantly [music] and we wouldn't see it coming because the burst travels at the speed of light.
So, by the time we [music] notice it, it's already over.
Follow for more space facts.
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