Astronomers now understand 'the biggest explosions in the Universe'

Astronomers have figured out how and why the biggest explosions in the universe happen.

Published Jan 21, 2020 3:46 AM CST   |   Updated Tue, Nov 3 2020 11:45 AM CST
1 minute & 18 seconds read time

A team of astronomers have managed to figure out how the biggest and brightest explosions in the universe take place and why.

Astronomers now understand 'the biggest explosions in the Universe' | TweakTown.com

The explosions we are talking about here is gamma-ray bursts that are ejected from a star. These gamma-ray bursts have been recorded numerous times, but now scientists and astronomers have worked out why and how they are so bright and big. Researchers from the University of Warwick in the UK found that tidal effects such as the Moon's position next to Earth can cause this gigantic cosmic explosions.

The team of researchers examined thousands of simulated models of binary star systems, which are solar systems that have two stars caught in each others orbit. The examination led the researchers to believe that the orbiting of these stars can cause gamma-ray bursts to take place. When a star that's ten times bigger than our sun explodes it goes supernova and collapses either into a neutron star or a black hole.

What researchers found was that when the collapse is happening the star flattens into almost a disc but keeps its angular momentum. At the same time, the stars materials fall inwards towards the center and the previously mentioned momentum then shoots them out as a jet. The study also mentions another important factor - tidal effects of neighbouring stars. If a star was close to the one that was collapsing, its presence could keep the spin speed of the collapsing star at high rates which would then result in a large gamma-ray burst.

Lead author on the study, Ashley Chrimes, a PhD student at the University of Warwick Department of Physics said, "We found that the effect of a star's tides on its partner is stopping them from slowing down and, in some cases, it is spinning them up. They are stealing rotational energy from their companion, a consequence of which is that they then drift further away."

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Jak joined the TweakTown team in 2017 and has since reviewed 100s of new tech products and kept us informed daily on the latest science and space news. Jak's love for science, space, and technology, and, more specifically, PC gaming, began at 10 years old. It was the day his dad showed him how to play Age of Empires on an old Compaq PC. Ever since that day, Jak fell in love with games and the progression of the technology industry in all its forms. Instead of typical FPS, Jak holds a very special spot in his heart for RTS games.

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