Scientists have recorded the biggest cosmic explosion ever observed and it was 100 times the width of our solar system.
Astronomers have observed the biggest cosmic explosion ever detected, and it is estimated to be 100 times the size of our solar system. Further, the explosion is estimated to be two trillion times brighter than our Sun at its solar peak, and it has remained visible for three years after the explosion.
Our universe is full of intriguing and awe-inspiring events, like rogue black holes romping through space, or galaxies colliding with each other to create even bigger, more massive galaxies. So, when astronomers first noticed AT2021lwx, they were intrigued to see what the event contained. Located over 8 billion light years away, the cosmic event did not disappoint.
The Zwicky Transient Facility first reported the biggest cosmic explosion ever detected. It was later detected by the Asteroid Terrestrial-impact Last Alert System . Both of these facilities are designed to pick up on signals from space that see massive changes in brightness over time. Normally these facilities detect supernovas, or even asteroids and comets whizzing through space.
The explosion that scientists detected in 2020 could be similar to a quasar, like this one imaged by James Webb. Image source: ESA/Webb, NASA & CSA, D. Wylezalek, A. Vayner & the Q3D Team, N. Zakamska However, this time the facilities detected something much bigger and much brighter. “We came upon this by chance, as it was flagged by our search algorithm when we were searching for a type of supernova,” Dr. Philip Wiseman, the lead author of a
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