Electron-capture supernovae (ECSNe) are stellar explosions that occur in stars with initial masses around 8–10 times that of the sun. These stars develop oxygen-neon-magnesium cores, which become ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. While peering into the cosmos, amateur astronomer Koichi Itagaki ...

Electron-capture supernovae (ECSNe), a theoretically predicted stellar explosion type for stars in the 8-10 solar mass range, are now empirically confirmed by the analysis of SN 2018zd. The ...

The existence of electron-capture supernovas may explain the Crab Nebula. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, ...

The supernova SN2018zd (large white dot on the right) located 30 to 40 million light years away was first identified in 2018 and may be the first observed evidence of an electron-capture supernova.

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For the first time, researchers have directly observed an exotic type of radioactive decay called two-neutrino double electron capture. The decay, seen in xenon-124 atoms, happens so sparingly that it ...