Standard ΛCDM Heat Death
Heat Death and Eternal Expansion
Consensus, 1997 / 2000
The three rings
- Inner ring
- The other variants of Heat Death and Eternal Expansion. A hollow square is historical or rejected.
- Middle ring
- The other families of Ch. 7, as their status shapes.
- Outer ring
- The other chapters. Those at the top are marked “Also answers this question”: this variant answers their question too.