What do you mean by weakly interacting massive particles, or WIMPs,?
Q: What evidence is there that quasars occur in distant galaxies? Explain.
A: To explain the correct answer is given below,
Q: Hubble’s law suggests that the recession speed of a distant galaxy depends linearly on its distance…
A: Hubble law is the observation in physical cosmology that galaxies are moving away from the…
Q: Soft magnets are materials, in which the process of O a. demagnetization is done easily, but…
A: Soft magnetic materials are those materials which have a smaller area enclosed by their hysteresis…
Q: Pretend that galaxies are spaced evenly, 4.0 Mpc apart, and the average mass of a galaxy is 1.0 x…
A:
Q: The figure below shows the spectra of two galaxies A and B. Please can i get help with this…
A: Dear student as per the QnA guidelines I will be answering the first 3 subparts of this problem…
Q: The Andromeda Galaxy, M31, is the closest large spiral Galaxy to our Milky Way. When we lookat its…
A: The Doppler effect is the change in frequency or wavelength of a wave due to the relative motion of…
Q: Soft magnets are materials, in which the process of a. magnetization is done easily, but…
A: Explanation: Soft magnetic materials are those materials that are easily magnetized and…
Q: Question 2 A small solar panel has a surface area of 0.25 m² with the following characteristics when…
A: (a) The output power density of the solar panel can be calculated by multiplying the short-circuit…
Q: Suppose the Hubble constant were not 22 but 12.1 km/s per million light-years. Then what would the…
A: Write the expression for the volume of the sphere. Write the expression for the mass. Here, ρ is…
Q: The Andromeda Galaxy is a member of the Local Group of galaxies. It is approaching us. Does this…
A: Given Andromeda galaxy is member of the local group of galaxies approaching us. Hubble law Hubble…
Q: Briefly explain the degenerate matter.
A: Given:Briefly explain the degenerate matter.Now,Degenerate matter refers to states of matter…
Q: Explain how the temperature of hot gas can be used to find out about the gravitational pull of a…
A: Given: The hot gas temperature which is used to find the gravitational pull To find: The explanation…
Q: the book's example of the Schwarzchild radius of the supermassive black hole Sag A* with a mass of…
A:
Q: Use the following constants if necessary. Coulomb constant, k=8.987×109N-m2/C2. Vacuum permittivity,…
A: Given,R1=2.2 kΩR2=2.2 kΩR3=1.1 kΩR4=2.2 kΩR5=22 kΩR6=1.1 kΩR7=11 kΩR8=2.2 kΩR9=2.2 kΩE1=5VE2=8V…
Q: what are some fundamental properties of late type galaxies that our theories of galaxy formation…
A: All those galaxies which are included under Spiral and Irregular Galaxies are termed as Late Type…
Q: A galaxy is 30 Mpc away from us and has a recession velocity of 2000 km.s-1 . What is Hubble’s…
A:
Q: What is the recession speed of a galaxy cluster which is 50Mpc away from Earth? Is the light from…
A: Hubble Law It state that distant galaxies are moving away from our earth with a recession…
Q: Determine the surface gravity on a neutron star. Assume the star has a mass 50% bigger than the…
A: mass of Sun = 1.98 * 1030 Kg mass of neutron star = mass of sun + 50%mass of sun = 1.5 * 1.98 *…
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: Give the peak wavelengths, λpeak, for each of the following cases. State which portion of the…
A: Given,
Q: Hard magnets are materials, in which the process of O a. magnetization and demagnetization is…
A: Hard magnets are the magnetic materials which are used for making permanent magnets because of they…
Q: Assume that the number density of stars in the Milky Way is 0.14 pc-3. (e) There are 10" stars…
A: Given, Number density of star is, ρ = 0.14 pc-3 Total number of stars in galaxy, N=1011 Let d is the…
Q: Suppose that a galaxy has 109 M⊙ of neutral HI gas with a temperature of about 10 K. Estimate the…
A: Given Data: The mass of the galaxy is, M = 109 M Temperature about 10k The luminosity of the 21cm…
Q: What is the most likely range of values for Hubble’s constant? What are the uncertainties in its…
A:
Q: The time for a galaxy to cross from one side of a cluster to the other is called the crossing time.…
A: We are given the velocity of galaxy. We are also given the diameter of cluster. This diameter is…
Q: Consider a universe in which the Hubble constant has been measured to have the value Ho = 50…
A: Given: The measured value of the Hubble constant is H0 = 50 km / s / Mpc
Q: Hard magnets are materials, in which the process of ___________________ a. magnetization is done…
A: Hard magnets: these are also referred permanent magnets. permanent magnets posses uniaxial…
Q: why are the shells visible around some elliptical galaxies significant?
A: The shell structures in the elliptical galaxies indicates the extremely low surface brightness and…
Q: Advanced Physics Discuss briefly how i) the value of rotation parameters of the galaxy can be…
A: Advanced Physics Discuss briefly how i) the value of rotation parameters of the galaxy can be…
Q: The Cosmic Microwave Background is remarkable in many ways. Let's illustrate this by personalizing…
A:
Q: True or False: Dwarf elliptical galaxies and giant ellipticals probably formed in entirely different…
A: To find true or false: Dwarf elliptical galaxies and giant ellipticals probably formed in entirely…
Q: Why can't we see past the cosmological horizon? O The universe extends only to this horizon. O…
A: We can't see past the cosmological horizon because the only things that we saw on the night sky is…
Q: hat are the characteristics of an E7 Galaxy? What about E0 galaxy? Explain.
A: E is the letter by which Elliptical galaxies represented. These elliptical galaxy are label as En…
Q: How many of you have been caught in a massive traffic jam on the NJ Turnpike or interstate only to…
A: please see the next step for solution
Q: The Hubble constant is found from the... Group of answer choices slope of the line fit to…
A: Given data- Hubble's law- Hubble's law relates the recession velocity of galaxy and the distance to…
Q: List all the quarks, leptons and bosons in the order of lowest mass to the highest. Particles with…
A: Order of Particles by Mass:Quarks: Up, Down, Charm, Strange, Top, BottomLeptons: Electron, Electron…
Q: If you find that the Hubble constant is double what we currently believe, how does this affect the…
A: Q) If you find that the Hubble constant is double what we currently believe, how does this affect…
Q: Soft magnets are materials, in which the process of ___________________ a. magnetization and…
A: Soft magnetic materials are mainly used in magnetic cores of transformers ,motors ,inductors and…
Q: Suppose you want to observe the molecular gas in a galaxy with redshift z using the rotational…
A: Suppose you want to observe the molecular gas in a galaxy with redshift z using the rotational…
What do you mean by weakly interacting massive particles, or WIMPs,?
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