6) Explain what cosmic microwave background (CMB) is, and also why is it the best evidence we have to support the big bang?

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: If the cosmological microwave background was emitted by a plasma with a temperature temperature of…

A: The expression from the Wien's displacement law is  λmT=k .......................................…

Q: Please explain this question If the universe had expanded more slowly than it did, the transition…

A: Required : How is the argument wrong.

Q: he age of the universe can be determined if   a. the universe is flat.   b. the amount of dark…

A:

Q: 1. Determine the radius of the event horizon if a star of mass 11 x 1030 kg explodes into a…

A: The radius of the event horizon is, R=2GMc2

Q: What was the temperature of the universe when the recombination took place that produced the cosmic…

A: Around 400,000 years after the big bang, the space was completely filled with a hot soup of…

Q: 1.0 0.8 0.6 Cosmic background data from COBE 0.4 0.2 0.0l 0.5 10 Wavelength A in mm c) The left hand…

A: from the graph, the maximum intensity of radiation is at λ=1 mm. From Wein's law, we have…

Q: What did Einstein call his greatest blunder?   a. introducing a cosmological constant to his…

A: Einstein described "introducing a cosmological constant to his equations to balance gravity" as his…

Q: Astronomers recently claimed to have discovered the most distant galaxy known. How would they have…

A: Astronomers recently claimed to have discovered the most distant galaxy known. How would they have…

Q: What is the event horizon radius [m] for the sun if it were to collapse to a Schwarzschild black…

A:

Q: 3. Determine the Schwartzschild radius and the average density of a black hole formed by the…

A:

Q: 15) Calculate the gravitational redshift caused by Sun on the photons coming from its surface.

A: As per general relativity when light moves away from a gravitational source its wavelength will…

Q: 8 Three cosmologists have each plot- ted a line on the Hubble-like graph of Fig. 44-11. If we…

A:

Q: Whats the fundamental force that emerged during the GUT era of the big bang?

A: The GUT era of the big bang is era in which three out of four fundamental forces are combined.

Q: If the inner accretion disk around a black hole has a temperature of 10 6 K, at what wavelength will…

A:

Q: GM What is the orbital period of a bit of matter in an accretion disk that is located 3 x 105 km…

A: Time period was found to be 526 seconds So answer to fill in blank is 526.   Detailed solution is…

Q: At what redshift will the Lya line (2o = 1215°A) be centered in the Johnson-Cousins U band? (Quasars…

A: From the redshift formula, we have  1+z=λobsλemitz=redshiftλobs=obserevd…

Q: If the universe is closed and finite, then   a. the universe has a center and an edge.   b. the…

A: If the universe is closed and finite, then the final fate of the universe will be very cold and of…

Q: The temperature of background radiation left over from the Big Bang during the creation of the…

A:

Q: The age of the universe is related to Hubble's Constant by the expression: t = Ho Calculate a value…

A: The rate of cosmic expansion is measured by the Hubble constant. It is usually measured in terms of…

Q: If a galaxy is 9.1 Mpc away from Earth and recedes at 511 km/s, what is H0 (in km/s/Mpc)? 2. What…

A: Note: As per the policy, only the first question will be solved. If you want the solution for other…

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.

Q: Cesar reads about the big bang theory, which explains that the universe expanded as the result of an…

A: Cesar reads about the big bang theory, which explains that the universe expanded as theresult of an…

Q: Questions/Analysis: 12. Classical Cepheid variables have been observed in other galaxies. What would…

A: Given data, Period of Cepheid T=65 days. Distance of star d=2500000 LY = 766503 parsec.

Q: Choose the correct statements from the following list. (Give ALL correct answers, i.e., B, AC,…

A: Statement A: The inflationary model of the universe solves both the flatness and the horizon…

Q: 3. The spacetime diagram shows four supernovae events at A, B, C, and D. These supernovae arc…

A: (a) Introduction: A light cone is a path that a flash of light, emanating from a single event…

Q: Suppose you wanted to measure the distance to an elliptical galaxy around 5 Mpc away using variable…

A: Given: To measure the distance in an elliptical galaxy having 5 Mpc used as the variable stars. To…

Q: 7.) Explain what dark energy implies for the composition and age of the universe.

A: Dark energy is a hypothetical form of energy that is believed to exist in the universe and is…

Q: The Cosmic Microwave Background is remarkable in many ways. Let's illustrate this by personalizing…

A:

Q: Which of the following is least reasonable regarding cosmic background radiation (CBR)? Group of…

A: (a) CBR corresponds to a solar temperature of about 6,000 degrees and implies that the Universe was…

Q: The peculiar system SS 433   I. is emitting beams of energy and matter.   II. is producing a…

A: We know that, The peculiar system SS 433 is emitting beams of energy and matter & producing a…

Q: Which of the following might you expect to be an additional consequence of the fact that galaxies…

A: Given Which of the following might you expect to be an additional consequence of the fact that…

Q: 3- Explain the essence of the Cosmological Principle. Why this principle is important and how it can…

A: Cosmological principle is a basic principle of universe stating that the universe is both isotropic…

Q: osmology, Why these are important and How we can measure them precisely?

A: 5- In the given question basically it was asked that what are observables in cosmology means in…

Q: YThe Feynman diagram at right shows a particle interaction mediated by which force? (Time is the…

A: Solution:

Q: 2. The quasar that appears the brightest in our sky, 3C 273, is located at a distance of 2.4 billion…

A: The apparent brightness is given by, b=L/(4π2d), where, b= apparent brightness;     L=luminosity;…

Q: QUESTION 6 A galaxy is discovered at a distance of 11 billion light-years from our solar system. We…

A: Here, We are given that a galaxy is discovered at a distance of 11 billion light - years from our…

Q: What is the point of view on the topic of parallel universes and black holes? Using a predominant…

A: The exploration of parallel universes and black holes has captivated the human imagination for…

Q: 1. Fusion of two Deuterium isotopes to form Helium3 2. Fusion of Deuterium anda neutron to form…

A: 1.Fusion of two Deuterium isotopes are : Fusion of two Deuterium to form Helium 3.H12+H12→H24e high…

Q: Which particle has the largest mass? and How do nuclear decay reactions help explain the difference…

A: Largest mass particle is neutron with a mass of 1.0087 amu

Q: What is the differences between an E7 and an E0 galaxy? Explain.

A: To explain the correct answer is given below,