Exploration of the Solar System - Understanding Our Universe Documentary

The most mind-boggling explosion you can imagine doesn't come close to what the universe can create. When stars 150 times the size of our sun explode, they produce the brightest light sources in the universe and release as much energy in a few seconds as our Sun will produce over its entire lifetime of 10 billion years.

These explosions generate beams of high-energy radiation, called gamma-ray bursts (GRBs), which are considered by astronomers to be the most powerful thing in the universe. What's more, these GRBs could be killing our chances of ever discovering life on other planets.

Hopeful scientists say that we are not alone in the universe, but if that is true, then where the heck is everyone? One explanation could be that life in the universe is truly rare because GRBs are sterilizing the cosmos.

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