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

Q: As the Universe becomes older, what effect will that have on a slope of the Hubble's diagram: It…

A: Doppler effect in light is the change in frequency of light observed by the observer when the source…

Q: How do physicists measure the expansion rate of the universe?

A: How do physicists measure the expansion rate of the universe?

Q: As the universe expands, which type of cosmic energy has a density that falls off most quickly? 1.…

A:

Q: Calculate the critical density of our universe.

A: Our universe is expanding and critical density is defined as the average density of matter that is…

Q: What is the evidence that the universe was very uniform during its first 400,000 years?

A: The universe was formed from a big explosion called Big Bang. In the beginning, everything was…

Q: Calculate the age of the universe when its temperature was 10¹¹ K.

A: The universe was once part of a singularity of very high density and temperature. All the forces and…

Q: Describe some of the characteristics of the universe that are explained by the standard Big Bang…

A: Given, Big Bang theory of universe

Q: How much of the universe appears to be the normal ordinary matter? Group of answer choices 50% 95%…

A: CONCEPT:   Among the whole universe, only a small part is visible and the remaining part is…

Q: What do you think of the statement: The universe has no center and no edge (or boundary)?

A: The description of the universe that it has no centre and no edge actually tells a lot about the…

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

A:

Q: Hubble's Law Constant provides the following information about the observable universe: galaxies…

A: Hubble's law constant, often denoted as H₀ provides an estimate of the current rate of expansion of…

Q: When the universe was approximately one second old its size grew by a factor of 10 to the power of…

A: When the universe was approximately one second old its size grew by a factor of 10 to the power of…

Q: What is the evidence that the universe was very uniform during its first 400,000 years?

A: The evidence of the uniform nature is explained by particle physics. Before the formation of the…

Q: Calculate the age of the universe for the following Hubble's constant, 200 1... - N (d) 20 km/s/Mpc

A: As per Hubble's law, the universe is expanding. If we assume that the expansion's apparent velocity…

Q: Estimate the critical density of the universe if the Hubble's constant was 50 km/s/Mpc.

A: The minimum density that is required to stop the expansion of the universe is defined as the…

Q: Explain why it only appears that we are at the center of expansion of the universe and why an…

A: Universe is expanding from everywhere and it has no center of expansion. Materials expand from a…

Q: Calculate the age of the universe when the temperature was 10¹ K.

A: The age of the universe when the temperature was 1013 K. Given, TemperatureT=1013 K

Q: How do we know galaxies are moving away from us?

A: Electromagnetic radiations are affected by the Doppler shift. When the source is in relative motion…

Q: What evidence can you cite that the expansion of the universe is accelerating?

A: It is observed that galaxies are moving away from Earth at speeds proportional to their distance.…