Calculate the Hubble time if a galaxy at 11 Mpc is moving at 620 km-s-1 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.
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Q: An 800 nm spectral line when observed from a galaxy is shifted to 920 nm. Calculate the redshift.
A: Redshift is the process by which light from moving sources is shifted to longer wavelengths.…
Q: Calculate the redshift associated with a galaxy with a recessional velocity of 0.916c.
A: The change in frequency when observer and source are in relative motion is called the Doppler…
Q: If a galaxy has a redshift of 0.35 and the hydrogen line has a wavelength of 486.3 nm, what will be…
A: Redshift happens when the source of light moves away from the observer. The frequency observed will…
Q: The redshift of a galaxy is observed to be 0.5. Calculate the recessional velocity of the galaxy.
A: When a light source moves away from the observer the wavelength will shift towards the red region of…
Q: Given the redshift of a galaxy is 0.440 the observed wavelength is 480 nm. What is the actual…
A: When the source of electromagnetic radiation is moving away from the observer the radiation will…
Q: If a galaxy is 9.2 Mpc away from Earth and recedes at 475 km/s, what is H0 (in km/s/Mpc)?
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Q: If a galaxy is 30 Mpc away from Earth and recedes at 400 km/s, what is Hubble's constant?
A: It is observed that galaxies are moving away from each other instead of coming closer. Based on…
Q: If the active core of a galaxy contains a black hole of 106 Me, what will the orbital period be for…
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Q: Using a value for Hubble's constant of 71 km/s per Mpc, find the recession velocity of a galaxy at a…
A: All observed galaxies were found to be redshifted which meant they were moving away from the Earth.…
Q: galaxy cluster in Ursa Major has a recessional velocity of 15000 km/sec. Using the best estimate for…
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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: If the Hα absorption line in the spectrum of a galaxy is observed at a wavelength of 6715 ˚A, at…
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Q: If a galaxy is 10.0 Mpc away from Earth and recedes at 520 km/s, what is Hubble's constant?
A: Edwin Hubble in his observations found that the galaxies were moving away from us instead of getting…
Q: A galaxy's distance from us is measured to be 49 Mpc. Using the same value of the Hubble constant,…
A: Given:distance of the galaxy, d = 49 Mpcstandard value for hubble's constant is, H = 70…
Q: If a galaxy is 8.9 Mpc away from Earth and recedes at 497 km/s, what is H, (in km/s/Mpc)? km/s/Mpc…
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Q: If a galaxy is 8.9 Mpc away from Earth and recedes at 510 km/s, what is H0 (in km/s/Mpc)?
A: The Hubble constant can be calculated by v=H0d Where v is velocity in km/s Ho is Hubble constant in…
Q: Given the age of a universe as 15.6 billion years. A galaxy is found to be moving at 620 km-s-1 from…
A: Hubble time is the amount of time it took for a universe to reach its current state. For calculating…
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: What is the redshift z of a galaxy 172 Mpc away from us? Note: Assume a value of the Hubble…
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Q: If a galaxy is 8.8 Mpc away from Earth and recedes at 498 km/s, what is H0 (in km/s/Mpc)? _______…
A: The required value of Hubble’s constant is, The required value of Hubble time is,
Q: If a galaxy is 18 Mpc from Earth and the Hubble constant is 70 km/s/Mpc, what is the recession…
A: Answer:- Answer (1) Given Distance (d) = 18 Mpc Hubble constant (Ho) = 70 km/s/Mpc Velocity of…
Q: If a galaxy is 9.0 Mpc away from Earth and recedes at 510 km/s, what is H? What is the Hubble t
A: Hubble's law states that galaxies are moving away from Earth and the farther they are faster they…
Q: Suppose there exists a hypothetical galaxy with mass MG around the center of which a solar system…
A: Given, Mass of Galaxy = 1× 10 40 kg Mass of solar system = 2× 1028 kg Radius = 2.5 × 1020 m We need…
Q: Suppose you have obtained spectra of several galaxies and have measuerd the observed wavelength of…
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Q: Suppose you have obtained spectra of several galaxies and have measuerd the observed wavelength of…
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Q: A galaxy is observed to recede at speed 140 km/s. If the Hubble constant is 70 km/s/ Mpc, how far is…
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Q: Using a value for Hubble's constant of 71 km/s per Mpc, find the distance of a galaxy that is…
A: It is observed that distant galaxies are moving away from Earth. This was detected due to their…
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