The Different Candidates for Dark Matter, with Katherine Freese
The conversation also addresses the ongoing debate regarding whether dark energy is a constant cosmological constant or a time-varying field, with Freeze favoring the simpler constant model based on Occam's Razor.summaryDark Energy Debate: The DESI experiment suggests dark energy may be changing over time, contradicting the standard 'vanilla' model where it is a constant cosmological constant. Freeze argues for the constant model using takeaway














