How were quasars discovered
Q: What evidence is there that quasars occur in distant galaxies? Explain.
A: To explain the correct answer is given below,
Q: rmal radiation
A: Given: An active galaxy is explained as,
Q: Calculate the Hubble time if a galaxy at 11 Mpc is moving at 620 km-s-1 from Earth.
A: Hubble's law states that the universe is expanding. This was observed when galaxies were seen…
Q: A starburst galaxy produces only 50 new stars per year. (True or false)
A: A starburst galaxy is known for its high rate of star formation in comparison to the other galaxies.…
Q: If a standard passenger aircraft can fly at 0.37 km/s (828 mph), how long (in yr) would it take to…
A:
Q: What is the redshift z of a galaxy 193 Mpc away from us? Note: Assume a value of the Hubble…
A:
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…
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: The hydrogen Balmer line H? has a wavelength of 486.1 nm. It is shifted to 536.0 nm in a quasar's…
A: it is question of atomic spectral series. find the number of balmer line for wavelength of 486.1 nm…
Q: how might you be misled if you studied only the brightest galaxies in a cluster?
A: There are some of the observations which may mislead if you studied only the brightest galaxies in…
Q: Calculate how far the quasar is in light years by knowing that distance velocity/Ho. Make the…
A:
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: 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: 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…
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.
A: The elliptical galaxies are old and dim galaxies. The stars in the elliptical galaxies give out red…
Q: Describe the differences between Seyfert 1 and Seyfert 2 galaxies.
A: the problem is based on the concept of astronomy. The problem mainly deals with types of galaxies…
Q: The hydrogen Balmer line H, has a wavelength of 486.1 nm. It is shifted to 579.2 nm in a quasar's…
A: The original wavelength of hydrogen Balmer line is given as, λo=486.1 nm. The shifted wavelength of…
Q: Because quasars tend to exhibit a strong redshift, we can deduce there are fewer quasars in…
A: Light behaves like a wave and moves with a finite speed. When the source and observer are in…
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: 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…
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: Why do we see most quasars at great distances?
A: In the whole universe Quasar are like those of astronomical object whose luminous comparable to…
Q: What is the redshift z of a galaxy 156 Mpc away from us? Note: Assume a value of the Hubble…
A:
Q: Fourteen years ago, a quasar was found to be located 8 billion light years away. If the age of the…
A:
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…
Q: Why aren’t the fluctuations there in the formation of Galaxies and other similar entities?
A: Galaxies and the other similar entities could not be without the existence of fluctuations in the…
Q: Use the redshift of 3.8 for 4C41.17, a powerful radio galaxy, to determine the distance of the…
A: (a) the speed of the galaxy is, vc=z+12-1z+12+1vc=3.8+12-13.8+12+1=0.917v=0.9173×105 km/s=2.75×105…
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: What is the mechanism for the energy output of quasars?
A: Quasars are high luminosity objects in the galaxy, having very high masses (ranging from millions to…
Q: How do we know andromeda galaxy is moving towards us?
A: Andromeda Galaxy is the closest galaxy to Milky Way at 2.5 million light-years. Unlike other…
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: What are globular clusters and what did the ones in the Milky Way help us to measure?
A: SPACE AND ASTRONOMY
Q: If active core of a galaxy contains a black hole of 10^6 M, what will the orbital period be for…
A:
Q: ___________ are generally expected to be found at the center of most galaxies. If large amounts of…
A:
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: Calculate the Hubble time for a universe with a Hubble constant of 60 km-s-1-Mpc-1.
A: Edwin Hubble observed that the galaxies were moving away from us. He calculated their recession…
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: 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: Is the NGC 4440 galaxy observable from the Calar Alto Observatory?
A: Calar Alto Observatory Calar Alto, a 2,168-meter-high (7,113-foot) mountain in the Sierra de Los…
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…
Q: when did the quasar emit the light that was observed?
A: Since, the quasar was found to be 8 billion light years away, the last light emitted by quasar was 8…
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: Is the appearance of a quasar changing over time a sign that it has entered a new physical state, or…
A: Required : Are the quasars changing over time the extreme outliers of quasars at low activity ?
Q: Are changing-appearance quasars anomalous and in a physically distinct state, or are they just edge…
A: Quasars are active galactic nuclei whose mass fluctuates by millions or billions of times the mass…
Step by step
Solved in 2 steps
