The knowledge map
15 hypotheses
A brief epoch of exponential expansion in the first fraction of a second explains the universe's flatness, homogeneity, and the origin of structure.
The gravitational anomalies attributed to dark matter are caused by an as-yet-undetected, weakly-interacting massive particle (or similar) beyond the…
Cosmic acceleration is driven by a constant vacuum energy density (Λ), the simplest addition to general relativity consistent with the data.