Choose the correct statements from the following list. (Give
ALL correct answers, i.e., B, AC, BCD...)
A)
B)...
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Physics
Choose the correct statements from the following list. (GiveALL correct answers, i.e., B, AC, BCD...)
A) B) The horizon problem in cosmology is that regions of the universethat should not have ever had thermal contact with one another havethe same temperature. C) Assuming no dark energy, if the matter density of the universeis greater than critical, the universe is open. D) The inflationary model of the universe solves both the flatnessand the horizon problems. E) Observations show us that the geometry of our universe must bevery close to flat. F) Assuming no dark energy, if the matter density of the universeis greater than critical, the universe is will expandforever. G) The critical density is the density needed to cause the BigBang.
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B is true sincetheHorizon Problem in cosmology says essentially that regions on opposite sides of the observable Universe are in thermal equilibrium even though they are so far apart that due to the limited speed of light they could not have ever been in contact C is falseAsCritical density is
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