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'Titanium Bubbles' May Explain Why Stars Explode Despite Running Out of Fuel


Titanium Bubbles May Explain Why Stars Explode Despite Running Out of Fuel
PAUL M. SUTTER, UNIVERSE TODAY
15 MAY 2021
If you re a fan of titanium, you should head to the nearest supernova. You ll get more than enough of it. And its presence can help astronomers understand how supernovae work.
We understand the basic picture of how the most massive stars die. Once an iron core fuses in their centers, they stop producing energy from nuclear reactions.
 
The star collapses, squeezing the iron core to such a degree that it turns into a proto-neutron star.
The rest of the star bounces off of that neutron core and begins to explode. Either the core remains, or itself collapses into a black hole. ....

Shigehiro Nagataki , Keiichi Maeda , Toshiki Sato , Rikkyo University , Kyoto University , Cluster For Pioneering Research , Chandrax Ray Observatory , Pioneering Research , றிக்கியோ பல்கலைக்கழகம் , கியோட்டோ பல்கலைக்கழகம் ,

Titanium bubbles discovered in supernova could help solve mystery of exploding stars

Titanium bubbles discovered in supernova could help solve mystery of exploding stars
cnnphilippines.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cnnphilippines.com Daily Mail and Mail on Sunday newspapers.

Keiichi Maeda , Toshiki Sato , Rikkyo University , Kyoto University , X Ray Observatory , Milky Way , றிக்கியோ பல்கலைக்கழகம் , கியோட்டோ பல்கலைக்கழகம் , எக்ஸ் ராய் கண்காணிப்பு , பால் வழி ,

Titanium bubbles discovered in supernova could help solve mystery of exploding stars


Titanium bubbles discovered in supernova could help solve mystery of exploding stars
CNN
2 hrs ago
© T. Sato et al./RIKEN/CXC/NASA
Titanium has been discovered in the beautiful remnants of the Cassiopeia A supernova about 11,000 light-years away.
This discovery could help scientists understand what leads some giant stars to explode, according to the new study.
Observations of the supernova were made using NASA s Chandra X-ray Observatory, which has been in operation since 1999, between 2000 and 2018. Scientists recently sifted through the data to understand more about the supernova that has captivated researchers for years.
Cassiopeia A is a giant bubble of hot, expanding gas, and it s the youngest known remnant from a supernova explosion, dating back 340 years ago, in our Milky Way galaxy. The light from this supernova first reached Earth in the 1670s. ....

Keiichi Maeda , Toshiki Sato , Rikkyo University , Kyoto University , X Ray Observatory , Milky Way , றிக்கியோ பல்கலைக்கழகம் , கியோட்டோ பல்கலைக்கழகம் , எக்ஸ் ராய் கண்காணிப்பு , பால் வழி ,