Questions with the keyword 'supernova'

• Is it theoretically possible for a super-heavy element with around z=115 to exist with a stable isotope (the ‘island by kraknor to Adam, Geoff, Rob, Sheila, SuzieCategory: General Comments: (So far, one comment )
• After a truly massive star has fully converted its core to Iron-56, and nuclear fusion can no longer take place, what by kraknor to Adam, Geoff, Rob, Sheila, SuzieCategory: Space Comments: (No comments so far )
• If Betelgeuse were to explode as a type II supernova, would the Earth experience any harmful radiation? by lwebb to Adam, Geoff, Rob, Sheila, SuzieCategory: Space Comments: (so far, 4s comments )