Setting the Clock on a Supernova – Stellar Explosion Just Hundreds of Years Ago in Earth’s Timeframe - SciTechDaily
A new image of SNR 0519-69.0 shows the debris of a star that exploded several hundred years ago in Earth’s timeframe. The explosion of a white dwarf star, after reaching a critical mass, created SNR 0519-69.0. This new image contains X-ray data (green, blue, …
ByChandra X-ray ObservatorySeptember 13, 2022
Astronomers combined X-ray data from Chandra with those from other telescopes to determine how long ago the star in the supernova remnant called SNR 051… [+7578 chars]
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