If the mass density of the universe is above the critical density as it appears to be with the mass detected so far, then the universe is a. flat b. negatively curved C. in steady state d. positively curved
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A: The large look-back times of the farthest galaxies and quasars is about ______________ of the way…
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Q: Current evidence suggests that the universe is a. flat, infinite, and neither expanding nor…
A: To determine: The correct option.
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Q: The critical mass density needed to just halt the expansion of the universe is approximately 10-26…
A: Given critical mass density needed to halt the expansion of the universe is ρcrirical = 10-26 kg/m3
Q: Critical density of a universe is found to be 6×10-27 kg/m. Estimate the value of Hubble constant.
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Q: diation density and m
A: The conditions and the assumptions as,
Q: The critical mass density needed to just halt the expansion of the universe is approximately 10-26…
A: Given that,The critical mass density = 10-26 kg/m3Average mass = 7 eV/c2As we know that,If m is in…
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A: Given Explain why the cosmological principle requires that H0 must have the same value everywhere in…
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A: Answer d. II and IV
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Q: What strong evidence found in the mid-1960s led to wide acceptance of the big bang theory of the…
A: We need to find the evidence that led to wide acceptance of the big bang theory of the universe.
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A: Introduction: Hubble law: It is used for describing the age of the universe since the big bang. It…
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A: Everything is contained within the universe. It includes all of the space as well as all of the…
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Q: If the universe is infinite, does it have a center? Discuss.
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A: Solution:
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A: It is observed that the galaxies in our universe are moving away from each other. This expansion of…
Q: The CMB decoupled at redshift z≈ 1100, i.e., when its frequency was a factor of z larger. The…
A: The CMB or common microwave background is composed of photons. It is the leftover radiation amount…
Q: Explain why the universe cannot be older than the Hubble time.
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