Calculate how far the quasar is in light years by knowing that distance = velocity/Ho. Make the appropriate units conversions.
Q: 1- As the universe expands, a galaxy which is at a distance of 5.0 x 106 pc, is moving away from…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: If a quasar has a recessional velocity of 2.7 × 10 5 km/sec and is determined to be 3600 Mpc, what…
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Q: The bright radio galaxy, 3c84, is observed to be moving away from the Earth at such high speed that…
A: The formula for Relativistic Doppler effect in wavelength can be expressed as below, Here λ and λₒ…
Q: It can be shown that if an object orbiting a star of mass M in a circular orbit of radius R has…
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Q: 5.6) In its rest frame, quasar Q2203+29 produces a hydrogen emission line of wavelength 121.6 nm.…
A: If a distant astronomical object is observed from Earth there will be a slight shift in the…
Q: Distances to local galaxies are determined by measuring the brightness of stars, called Cepheid…
A: Absolute brightness is a constant and is 10 parsecs from Earth whereas measured brightness depends…
Q: 3. The formula for Hubble's Law using the velocity v is valid only for velocities much smaller than…
A: Given data: Redshift z=4.89. The recessional velocity is given as, v=cz+12-1z+12+1 Here, c is the…
Q: Pretend that galaxies are spaced evenly, 8.0 Mpc apart, and the average mass of a galaxy is 1.0 ✕…
A: Average density of the matter in the universe ρavg=M43πd23=6Mπd2
Q: The nuclei of some galaxics are thought to contain supermassive black holes with M = 3 x 10°M9. How…
A: The Schwarzschild radius of a supermassive black hole can be estimated using an empirical…
Q: If a galaxy is 9.0 Mpc away from Earth and recedes at 488 km/s, what is H0 (in km/s/Mpc)? km/s/Mpc…
A: The question above has been given from Hubble's law. This law is also known as the Hubble-Lemaitre…
Q: A galaxy is observed to recede from Earth with an approximate speed of 0.81c. Approximately how…
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Q: 40 Because the apparent recessional speeds of galaxies and quasars at great distances are close to…
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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: In 1998 a galaxy named RD1 was discovered with a redshift of 5.34. (a) What is the speed of this…
A: (a) It is given that z=5.34 , 1+β1-β=1+z Squaring both sides, 1+β1-β=6.342 =…
Q: n. Estimate the relative velocity.
A: Given: Lo=2m L=0.75m To find: Relative velocity
Q: The hydrogen Balmer line Hβ has a wavelength of 486.1 nm. It is shifted to 579.8 nm in a quasar's…
A: Redshift is defined as the change in the wavelength due to apparent motion in the quasar spectrum.
Q: Give the peak wavelengths, λpeak, for each of the following cases. State which portion of the…
A: Given,
Q: What is the name of the radiation process that produces the radio emission in the jets emitted by…
A: Active galaxies are known as quasars. An ordinary galaxy will have about 100,000 times 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: The largest known redshift attributed to a specifi c molecule is z = 6.42 from the CO molecule in…
A: Given data: The red-shift parameter is z=6.42. The red-shift parameter z and relative velocity…
Q: On average, how far away are galaxies that are moving away from us at 2.0% of the speed of light?
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Q: 3C 273 was the first quasar identified (1963). When we look at its chemical spectrum, we see that…
A: Given:- λobs = 759 nm.λ0 = 656 nm
Q: The bright radio galaxy, 3c84, is observed to be moving away from the Earth at such high speed that…
A: Given, Wavelength of the source, λs=434 nm Wavelength of the observed light, λobv=442 nm From…
Q: The hydrogen Balmer line Hγ has a wavelength of 434.0 nm in the laboratory. It is observed in a…
A: Quasi-stellar objects or quasars are the distant objects in the universe. They are hard to detect…
Q: The hydrogen Balmee lime Hb has a wavelength of 4.86.1 nm. It is shifted to 55.8 nm in a quasar's…
A: The expression for the red shift is,
Q: The expanding universe is carrying distant objects away from each other at a rate proportional to…
A: The relation between redshift and radial velocity is z=∆λλ=1+vr/c1-vr/c-1vr=radial velocityc=speed…
Q: If the average density of the Universe is small compared with the critical density, the expansion of…
A: According to Hubble’s law v = HR The expression for R is R=vΔt Thus, v=HvΔtΔt=1H Here, ∆t is the…
Q: What is the redshift z of a galaxy 186 Mpc away from us? Note: Assume a value of the Hubble…
A: Hubble's law, also known as Hubble- Lemaitre law states that the velocity of the galaxy, also called…
Q: The hydrogen Balmer line Hβ has a wavelength of 486.1 nm in the laboratory. It is observed in a…
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Q: How competitive are the constraints on Δα/α compared to quasar observations, and how well…
A: It is necessary to consider how well-limited dependency on changes in Newtonian potential is when…
Q: Suppose a distant quasar has a redshift of 6. At what fraction of the speed of light is the quasar…
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Q: If a galaxy is 9.0 Mpc away from Earth and recedes at 488 km/s, what is H, (in km/s/Mpc)? | km/s/Mpc…
A: Hubble discovered that galaxies appear to move away from Earth and the velocity of recession (v) is…
Q: 46 Figure 44-12 is a hypothetical plot of the recessional speeds v of galaxies against their…
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Q: An object is measured to be at a distance of 20 Megaparsecs away from Earth. Using a currently…
A: According to the Hubble's law, galaxies are moving away from Earth at speeds proportional to their…
Q: The hydrogen Balmer line H, has a wavelength of 486.1 nm. It is shifted to 580.7 nm in a quasar's…
A: We know that the red shift is given as shown below. where so,
Q: Suppose a quasar is shining with a luminosity L. What is the approximate minimal mass of the black…
A: Solution: Given A quasar is shining with a luminosity L L = 1×1012 LSun We have to determine…
Q: What is the Eddington luminosity of a quasar with a mass of 1 billion Msun ?
A: Eddington luminosity or Eddington limit is the maximum luminosity that can be achieved by a star in…
Q: A black hole in the center of a nearby Galaxy has a Schwarzchild radius of 2.0*10^7 km. How many…
A: Given : - A black hole in the center of a nearby Galaxy has a Schwarzschild radius of 2.0*10^7 km…
Q: The most distant quasar is "JO313-1806". Its redshift is z = 7.64. [ z = (femitted - fobserved)/…
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Q: You find a small satellite galaxy orbiting 66 kpc from the center of a larger galaxy at a speed of…
A: Given data: Radius of the galaxy r=66 kpc. Velocity of satellite v=210 km/s. According to Kepler's…
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