A supernova is a star’s colossal explosion at the end of its life, potentially outshining its entire galaxy. Read about the causes and types of supernovae here. Source: https://earthsky.org/astronomy-essentials/definition-what-is-a-supernova…
Tag: nucleosynthesis
The unusual molecular and isotopic content of planetary nebulae
Observations of planetary nebulae have revealed unusual molecular content and surprising enrichments of rare isotopes, challenging both chemical models as well as our current understanding of stellar nucleosynthesis. Source: https://phys.org/news/2020-06-unusual-molecular-isotopic-content-planetary.html…
Betelgeuse is ‘fainting’ but (probably) not about to explode
The well-known bright star Betelgeuse – a red giant star, famous for its name and for the fact that it’ll explode someday – has become noticeably dimmer since late October. Here’s what astronomers think is happening. Source: https://earthsky.org/space/betelgeuse-fainting-probably-not-about-to-explode…