Exploding star caught in the act
Astronomers have been able to capture and record the first moments when a massive star blows itself apart. After decades of searching, researchers have used the world's top telescopes to observe the remarkable event.
Previously, scientists had only been able to study these "supernovas" several days after the event.
Typically, they occur when a massive star - more than eight times the mass of the Sun - runs out of fuel and collapses to form a hot relic called a neutron star.
Their extreme brightness allows them to be seen in distant galaxies.
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