Question

According to measurements made by the Wilkinson Microwave Anisotropy Probe (WMAP), which material is by far the most plentiful in the universe?
Responses

dark matter
dark matter - no response given

baryonic matter
baryonic matter - no response given

neutrinos
neutrinos - no response given

dark energy

Answer 1

According to measurements made by the Wilkinson Microwave Anisotropy Probe (WMAP), dark energy is by far the most plentiful material in the universe, comprising about 68% of the total energy density. Dark matter accounts for about 27%, while baryonic matter makes up about 5%. Neutrinos are a small component of the overall energy density, contributing negligibly compared to the other forms of matter and energy.