Respuesta :
The light we see left the supernova 4.2 years ago.
For years, researchers have perplexed over evidence that a supernova exploded someplace in Earth's region multiple million years ago. The evidence is a awareness of 60Fe, an isotope of iron produced by way of supernovae, found across the Earth.
A supernova to head off inside approximately 30 mild-years of us, that could cause main effects on this planet, probable mass extinctions. X-rays and extra energetic gamma rays from the supernova should ruin the ozone layer that protects us from sun ultraviolet rays.
Whilst smaller stars may also turn out to be a neutron megastar or a white dwarf after their fuel starts to expire, larger stars with hundreds greater than three times that of our solar may additionally quit their lives in a supernova explosion.
Learn more about supernova here:- https://brainly.com/question/17661697
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