All Questions
3
questions
2
votes
1
answer
219
views
Pure Lithium Star
Suppose by some miracle a large molecular cloud of pure lithium assembled itself in space, then gravitationally collapsed.
What would the result look like? Would it be a star of some sort (fusing the ...
- 129
8
votes
1
answer
1k
views
What is it like to see a brown dwarf turn into a star?
Brown dwarfs/failed stars can actually become stars, if they exceed a mass limit of about 80 Jupiter masses. This is when the internal pressure and temperature at the core become high enough to ...
- 2,668
17
votes
1
answer
680
views
Is stellar ignition all-or-nothing?
The boundary between brown dwarfs and stars is around 80 Jupiter masses. Only stars generate a self-sustaining hydrogen fusion, although brown dwarfs sometimes fuse lithium and deuterium.
Is hydrogen ...
- 920