Are changing-appearance quasars anomalous and in a physically distinct state, or are they just edge instances of quasars during periods of low activity?
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Q: Are changing-look quasars an anomaly and in physically different state or are just edge cases of…
A: Quasars are active galctic nucleus, whose mass is changing milliions or billions times count than…
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Q: What evidence shows that quasars are ultra-luminous but must be small?
A: Given- What evidence shows that quasars are ultra-luminous but must be small?
Q: Calculate the critical density of a universe with Hubble constant of 89 km-s¹.Mpc¯¹.
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Q: No, they're not. They're just edge cases of the quasars that aren't pulsing at the moment.
A: Given: Quasars are active galactic nuclei with mass changes measured in millions or billions of…
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Q: Calculate how far the quasar is in light years by knowing that distance = velocity/Ho. Make the…
A: Given: To find the distance of the quasar in light years is given as,
Q: propose an explanation for the lack of gas, dust, and young stars in elliptical galaxies.
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Q: Quasars that change appearance are they physically distinct or merely edge examples of quasars…
A: Give: Quasars are active galctic nuclei whose mass fluctuates by millions or billions of times the…
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A: Given: New Hubble constant, H' = 53 km/s per million light-years
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Q: Why do we see most quasars at great distances?
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Q: Estimate the critical density of the universe if the Hubble's constant was 100 km/s/Mpc.
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A: Given Data: Rest frame frequency=1420MHz Redshift z=0.5 To Find: The frequency would we need to look…
Q: Observations of quasars have shown us that many are extremely _________, emitting more energy than…
A: Required : Fill in the gaps.
Q: Is the appearance of a quasar changing over time a sign that it has entered a new physical state, or…
A: Introduction: A quasar (sometimes referred to as a quasi-stellar object, abbreviated QSO) is an A…
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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: Estimate the critical density of the universe if the Hubble's constant was 50 km/s/Mpc.
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Q: What is the mechanism for the energy output of quasars?
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A: please see the next step for solution
Q: (a) What Hubble constant corresponds to an approximate age of the universe of 1010 y? To get an…
A:
Q: Assuming the matter temperature equalled the radiation temperature at the recombination epoch,…
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Q: How competitive are the constraints on Δα/α compared to quasar observations, and how well…
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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: Why do we not see quasars near our galaxy?
A: Introduction: The word quasar stands for quasi-stellar radio source because the signals came from…
Q: Another known cause of red shift in light is the source being in a high gravitational field. Discuss…
A: Red shift can be defined as a phenomenon which is caused due to Doppler Effect where the motion of…
Q: Calculate the critical density necessary for a closed universe for two extremes of the Hubble…
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Q: What evidence do we have that quasars are a few parsecs or smaller in size?
A: The problem is based on the concept of Quasar. A quasar is an extremely luminous active galactic…
Q: Quasar 3C 446 has a redshift parameter of 1.404. The variations in its luminosity is observed to…
A:
Q: The Hydrogen Balmer line Hg has a wavelength of 486.1 nm. This wavelength is shifted to 563.9 nm in…
A: λ0 = 486.1 nm = 486.1 x 10-12 , λ = 563.3 nm = 563.3 x 10-12 c = 3 x 105 km /s To find = quasar…
Are changing-appearance quasars anomalous and in a physically distinct state, or are they just edge instances of quasars during periods of low activity?
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