Exploring the Origin of Elements to Nucleosynthesis and Fusion in Stars

  • Thread starter Thread starter Orion78
  • Start date Start date
  • Tags Tags
    Elements Origin
AI Thread Summary
The discussion focuses on identifying the primary sources of various elements in the universe, specifically silicon, lithium, bismuth, nickel, and uranium. Participants debate the processes responsible for their formation, including primordial nucleosynthesis, fusion in low and high-mass stars, and neutron capture in supernovae. Clarifications are made regarding the correct associations, with some suggesting that silicon and nickel are produced in high-mass stars rather than low-mass stars. The conversation highlights the complexity of nucleosynthesis and the importance of accurate classification in astrophysics. Overall, the thread emphasizes the need for precise understanding of stellar processes in element formation.
Orion78
Messages
25
Reaction score
0
By choosing among the following five options, what is the main source in the universe for the origin of the elements : silicon, lithium, bismuth, nickel and uranium?

Primordial nucleosynthesis – fusion in core of low-mass stars – fusion in core of high-mass stars – slow neutron capture in high mass-stars - rapid neutron capture in supernovae.

Thanks
 
Astronomy news on Phys.org
Homework questions should be posted in the appropriate homework forum. Please show whatever work you have done so far and explain where you get lost.
 
Sorry, next time I will choose the right forum.
The following is what I think is the right answer but I'd like to be confirmed.

silicon = Fusion in core of low-mass star
lithium = Primordial nucleosynthesis
bismuth = Low neutron capture in high mass-stars
nickel = Fusion in core of low-mass star
uranium = Rapid neutron capture in supernovae

Thanks!
 
For nickel I think you mean fusion in the core of a HIGH mass star. Also, isn't silicon one of the last elements produced in high mass stars and not low mass stars? I'm not formally educated in astrophysics so I could be wrong.
 
TL;DR Summary: In 3 years, the Square Kilometre Array (SKA) telescope (or rather, a system of telescopes) should be put into operation. In case of failure to detect alien signals, it will further expand the radius of the so-called silence (or rather, radio silence) of the Universe. Is there any sense in this or is blissful ignorance better? In 3 years, the Square Kilometre Array (SKA) telescope (or rather, a system of telescopes) should be put into operation. In case of failure to detect...
Thread 'Could gamma-ray bursts have an intragalactic origin?'
This is indirectly evidenced by a map of the distribution of gamma-ray bursts in the night sky, made in the form of an elongated globe. And also the weakening of gamma radiation by the disk and the center of the Milky Way, which leads to anisotropy in the possibilities of observing gamma-ray bursts. My line of reasoning is as follows: 1. Gamma radiation should be absorbed to some extent by dust and other components of the interstellar medium. As a result, with an extragalactic origin, fewer...
This thread is dedicated to the beauty and awesomeness of our Universe. If you feel like it, please share video clips and photos (or nice animations) of space and objects in space in this thread. Your posts, clips and photos may by all means include scientific information; that does not make it less beautiful to me (n.b. the posts must of course comply with the PF guidelines, i.e. regarding science, only mainstream science is allowed, fringe/pseudoscience is not allowed). n.b. I start this...
Back
Top