Starship Asterisk*

I remember seeing a Hubble (or Chandra?) picture of a supernova remnant, and the caption said that we can be sure that this is the remnant of a massive star and its core collapse. And the reason why we can be sure of that is that the remnant contains so much oxygen, and oxygen is produced in core-c...

MarkBour wrote:

terpsucka wrote: ...
I came here looking for the answer to this question as well. In fact, I've found references to this and similar periodic table efforts, with some level of explanation for every grouping except for this one!

So, did the post just above, from jajohnson51, help?

They sure do! Thanks!!

And here’s the explanation, I believe, from the Wikipedia article on Supernova: Theoretical studies indicate that most supernovae are triggered by one of two basic mechanisms: the sudden re-ignition of nuclear fusion in a degenerate star or the sudden gravitational collapse of a massive star's core...