Write down the Doppler formula for light as an equation. Explain each letter's meaning. Then compute what the relative change in the wavelength of emitted light would be for a galaxy moving at a velocity 11.12 thousand kilometers per second away from Earth.

Q: If the active core of a galaxy contains a black hole of 106 MSun , what will the orbital distance be…

A: Given: The mass of the black hole is 106 MSun. The orbital period is 1 hr.

Q: The hydrogen Balmer line has a wavelength of 486.1 nm. It is shifted to 552 nm in a galaxy's…

A: The red shift of hydrogen is, 1+z=λ2λ1z=552486.1-1   =0.1356

Q: You observe a faint galaxy and find that a spectral line normally found in the visible part of the…

A: The wavelength at which we see absorption lines are unique in themselves. This was used by…

Q: Write down the Doppler formula for light as an equation. Explain each letter's meaning. Then compute…

A:

Q: Pretend that galaxies are spaced evenly, 2.0 Mpc apart, and the average mass of a galaxy is 1.0 x…

A: We know that:-Spherical galaxy average density,ρ=M43πr23         Equation 1r=2.0 Mpcconvert Mpc to…

Q: Choose the statement that is NOT true of a galaxy. O Galaxies take different shapes depending on how…

A: C statement is completely incorrect.

Q: he Milky Way's

A:

Q: For a circular velocity profile of the type (r) = ar¹/9, where a is a constant and r is the radial…

A: Step 1: Step 2: Step 3: Step 4:

Q: The density profile of a galaxy's extended dark matter halo is given in the provided image. r0 and…

A:

Q: 8. If a galaxy has an apparent radial velocity of 2000 km/s and the Hubble constant is 72 km/s/Mpc,…

A: Using Hubble's law we can solve this

Q: What happens when galaxies collide? A. Star collisions will be rare but the shapes of the galaxies…

A: You are correct. The answer is A. A. Star collisions will be rare but the shapes of the galaxies…

Q: I attempted to answer this question and I'm not sure what I am doing wrong. My formula says A.S. =…

A: Here we have to use some basic formula

Q: Which one of these types of galaxies do you expect to have the largest star formation activity?…

A: A galaxy which has high relative flux density, which shows it has a dense region that helps in more…

Q: The surface brightness profiles of elliptical galaxies follow the Sersic formula with n = 4. How…

A:

Q: 9. An alien observer is located in the disk of a spiral galaxy at a distance of Ro = 10 kpc from the…

A: From the given equation, vr=ΩR-ΩR0R0sinlvr=ΘR-ΘR0R0sinl…

Q: Please solve exact and complete question number-1 with three sub-parts. WILL RATE IT UP!! thanks.

A: The bubble time and constant is given as, tH =1Ho Using Hubble's law as, v=HoD Re-arrange as, D=vHo

Q: Please solve page 3 and 4 using the table below NGC NO. Galactic Longitude (deg) Galactic…

A:

Q: what is the difference between an E0 galaxy and an E1 galaxy?

A: An elliptical galaxy has approximately ellipsoidal shape and a smooth, nearly featureless image.…

Q: Suppose you have obtained spectra of several galaxies and have measured the observed wavelength of…

A: Radial velocity