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

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

Related questions

Q: If there is no observable edge to the universe, can we determine where its center of expansion is?…

A: Let’s explain by taking a simple example of a balloon analogy to explain the expansion of the…

Q: Assume a flat Friedmann-Robertson-Walker universe, and that the density parameters for matter…

Q: Current evidence suggests that the universe is a. flat, infinite, and neither expanding nor…

A: To determine: The correct option.

Q: What is the role of symmetry in fundamental physics? Provide examples of symmetry principles in…

A: Symmetry plays a fundamental role in physics as it helps to simplify complex problems and provides a…

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.

A: It was observed that galaxies are moving away from each other and the farther they are faster they…

Q: What started the clumping of matter in the early universe that eventually became the seeds of…

A: The force that is carried by the field of virtual astronomical particles in the quantum field is…

Q: Estimate the critical density of the universe if the Hubble's constant was 100 km/s/Mpc.

Q: What effect does increasing the interaction strength of a massive particle species have on its…

A: The thermal relic abundance of a particle species is determined by the balance between its…

Q: Explain how the Hubble law allows you to estimate the distances to galaxies.

A: According to Hubble's law, the velocity of galaxy with respect to earth is directly proportional to…

Q: Estimate the temperature of the universe when it was approximately 1 minutes old

A: Our universe is thought to be formed from a singularity of infinite density and temperature. It…

Q: If the universe had a density equal to the critical density (a flat universe) and the Hubble…

A: Everything is contained within the universe. It includes all of the space as well as all of the…

Q: The flatness problems states that a. the density of the universe is very close to the critical…

A: The flatness problem is a fine tuning problem of cosmology in the Big-Bang theory. Here, density of…

Q: If the universe is infinite, does it have a center? Discuss.

A: The universe is infinite, and what is know about the universe is gathered by analysing the…

Q: The temperature of the universe is 2.76 K. What is the wavelength of the cosmic background…

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: Scientists are conducting an experiment to determine if their hypothesis that a certain constant in…

A: Theoretical value xth=1.65 and average experimental value xe=1.7. The relative uncertainty was found…

Question

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

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

1. Assuming a spatially flat Universe, find the time dependence of: (a) the density of matter when the Universe is radiation dominated and (b) the density of radiation when the Universe is matter dominated.
What is meant by the critical density of the universe? Why is this quantity important to cosmologists?
Which particles are not present in the universe at t=300s after the big bang ? select one : a. Electons b. photons c. neutrons d. Positrons
The quantum wave function for a system specifies its temperature, and contains all possible information about the universe. True False
Estimate the critical density of the universe if the Hubble's constant was 100 km/s/Mpc.