Search found 3 matches
- Thu Oct 26, 2017 9:21 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Where Your Elements Came From (2017 Oct 24)
- Replies: 87
- Views: 138528
Re: APOD: Where Your Elements Came From (2017 Oct 24)
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...
- Thu Oct 26, 2017 9:16 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Where Your Elements Came From (2017 Oct 24)
- Replies: 87
- Views: 138528
Re: APOD: Where Your Elements Came From (2017 Oct 24)
They sure do! Thanks!!MarkBour wrote:So, did the post just above, from jajohnson51, help?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!
- Thu Oct 26, 2017 8:26 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Where Your Elements Came From (2017 Oct 24)
- Replies: 87
- Views: 138528
Re: APOD: Where Your Elements Came From (2017 Oct 24)
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...