In the standard model, about when after the Big Bang did the universe become transparent to radiation? O a.10:35 5 O b.1043 5 O C:3x 105 y 5 c0lp O

Q: About how much of the universe is believed to be composed of dark energy? O 68-73% O 10-12% O 4-5% O…

A: We know very less about the universe . and said universe is expand .  the maximum thing is unknown…

Q: The cosmic microwave background consists of: huge clouds of dark matter interspersed with equally…

A: Cosmic microwave background also known relic radiation. Cosmic microwave background is kind of…

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: 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: Explain Lorentz force.

A: Lorentz force can be defined as the entire electromagnetic force experienced by a charged particle…

Q: b) The cosmic microwave background dates to a time when the universe was -380,000 years old, or to a…

A: Given: 380000 years ago Tr=3000 Kz=1100

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: The CMB contains roughly 400 million photons per m³. The energy of each photon depends on its…

A: The wavelength is 0.0011 m. The energy of a photon is 1.807×10-22 J.

Q: What was the most startling discovery about the universe that occurred in 1998? O its expansion is…

A:

Q: About what percentage of the universe is believed to be composed of normal matter? O 5% O > 22% O…

A: 68% of the matter is dark energy. 27% of the matter is dark matter. Rest less or equal to 5% is…

Q: The first evidence for the dark energy was that: a. the cosmic microwave background spectrum was a…

A: The first evidence for dark energy came in 1998 two teams of astronomers measured light coming from…

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: What value for the Hubble constant would another galaxy in the universe observe?

A: ANS: c) a unique Hubble constant for that specific location in the universe.

Q: Which of the following did NOT happen during the first few minutes after the Big Bang? matter and…

A: Solution: Given: Which of the following did NOT happen during the first few minutes after the Big…

Q: Which of the following is true of the cosmic microwave background radiation as we observe it today?…

A: Given:

Q: Use excel calculator to fill in the missing calculations. 1pc = 3.26 ly Galaxy Andromeda Large Mag.…

A: We need to complete the table in Excel. 1pc = 3.26 lyAlso, 1 ly=9.461e+12 km