Ask a Question

Prefer a chat interface with context about you and your work?

Searching for the missing baryons in clusters

Searching for the missing baryons in clusters

Observations of clusters of galaxies suggest that they contain significantly fewer baryons (gas plus stars) than the cosmic baryon fraction. This `missing baryon' puzzle is especially surprising for the most massive clusters which are expected to be representative of the cosmic matter content of the universe (baryons and dark matter). …