New evidence that some supernovae may be a “double detonation”
It may be possible to blow up a white dwarf before it reaches a critical mass.
https://arstechnica.com/science/2025/07/new-evidence-that-some-supernovae-may-be-a-double-detonation/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social
If you have a fediverse account, you can quote this note from your own instance. Search https://mastodon.social/users/arstechnica/statuses/114785572838764663 on your instance and quote it. (Note that quoting is not supported in Mastodon.)