What value represents the estimated total critical density needed for a flat universe?
Answer
About $10^{-29}$ grams per cubic centimeter.
The calculated total critical density required for a flat universe, which current observations support, is quantitatively expressed as approximately $10^{-29}$ grams per cubic centimeter.
Related Questions
What sets the limit for the observable universe concerning mass calculation?What geometry results if the universe's mass-energy density exactly matches the critical density?Which component constitutes the largest fraction of the observable universe's total mass-energy budget?What phenomenon provides the most precise constraint on the total mass-energy density and its distribution?What is inferred about the existence of dark matter from observations?If the actual density is lower than the critical density, what is the resulting geometry of the universe?How is the mass-energy equivalent of the observable universe currently estimated?What is the primary role of dark energy in the universe's evolution?What value represents the estimated total critical density needed for a flat universe?What does the measurement of the Hubble constant primarily help infer?