Auteur: Chic Bee
Beschrijving:
This spectacular image and the description are taken from Sky And Telescope magazine, the June 2021st edition. I strongly recommend a subscription to astronomy buffs:
Eye on the Sky: Blowing titanium bubbles
Traces of the stable element provide a clue as to how some massive old stars go supernova
CHANDRA X-RAY OBSERVATORY/NUSTAR/HUBBLE SPACE TELESCOPE, 21 APRIL 2021
Reminiscent of a child’s painting, this kaleidoscopic creation is supernova remnant Cassiopeia A (Cas A), revealed by new research to be blasting out unusual titanium bubbles.
Finding ‘stable’ titanium for the very first time – among other elements including iron (orange), oxygen (purple), silicon/magnesium (green) and the much more common unstable titanium (light blue) – adds strength to the theory that neutrinos (very low mass subatomic particles) are what drive the shockwaves necessary for massive fuel-depleted stars to explode as supernovae.
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