Is There Enough Luminous Matter to Stop the Universe's Expansion

question 97

Essay

Is there enough luminous matter to stop the universe's expansion? Is there enough darkmatter? What else is there?

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Definitions:

Dependent Populations

Populations in which the members of one sample are related or matched to the members of the other samples.

Matched Pairs Experiment

An experimental design in which participants are paired based on certain criteria, and each pair is split between control and treatment groups for comparison.

Matched Samples

Pairs of samples that are intentionally matched or paired based on certain characteristics before conducting an experiment or analysis.

Independent Samples

Samples drawn from populations in such a way that the sample values selected from one population are not influenced by those selected from the other population.