Calculate the Schwarzschild radius for Milky Way
Q: It can be shown that if an object orbiting a star of mass M in a circular orbit of radius R has…
A:
Q: An astronomical image shows two objects that have the same apparent magnitude, i.e., the same…
A: Let the luminosity of the star is Ls= LoLuminosity of Milky Way galaxy, Lm=1011LoLuminosity of…
Q: Galaxy will emit synchrotron radiation as a sun forms
A: The star forming region of a Spiral Galaxy will emit synchrotron radiation as a sun forms in the…
Q: Explain why Olbers’s paradox is not a paradox.
A: In the early history of astronomy, it was believed that the universe is static, infinite, uniform,…
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: Joaquin tells his science class that galaxies consist of gas, dust, and many planets. What is the…
A: Galaxies consist of gas, dust, constellations, stars, comets and many planets. Some examples of…
Q: A light of wavelength 620 nm is emitted from the following four places. What wavelength is observed…
A: As per general relativity, electromagnetic waves or photons that are traveling away from a…
Q: GM What is the orbital period of a bit of matter in an accretion disk that is located 3 x 105 km…
A: Time period was found to be 526 seconds So answer to fill in blank is 526. Detailed solution is…
Q: What is the orbital period (in s) of a bit of matter in an accretion disk that is located 6 ✕ 105 km…
A: Write the given values with the suitable variables. r=6×105 km=6×108 mM=99Mo=992×1030 kg=198×1030 kg…
Q: Give the peak wavelengths, λpeak, for each of the following cases. State which portion of the…
A: Given,
Q: he Milky Way's
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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: If an O-type star and our galaxy were at the same distance, which would have a greater magnitude? a)…
A: Given: The O-type star and our galaxy at same distance. The apparent magnitude decreases with the…
Q: Use the Schwarzchild formulaRs =2GM / c2whereRs = Radius of the star, in meters, that would cause it…
A: Given: Mass of the sun = 2 x 1030 kg.
Q: why are the shells visible around some elliptical galaxies significant?
A: The shell structures in the elliptical galaxies indicates the extremely low surface brightness and…
Q: What characteristics must a binary star have to be a good candidate for a black hole? Why is each of…
A: The characteristic must a binary star posses for it to be a good candidate for black hole is, From…
Q: The hypervelocity star S5HVS1 has a redshifted Hβ line (rest wavelength of 486.135 nm) observed at…
A:
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: Which of the below rotation curves best represents the orbital speeds stars in the Milky Way Galaxy…
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Q: True or False: Dwarf elliptical galaxies and giant ellipticals probably formed in entirely different…
A: To find true or false: Dwarf elliptical galaxies and giant ellipticals probably formed in entirely…
Q: A black hole (m = 2.90 x 10^9 Ms) sits in the middle of the M87 galaxy. Calculate its gravitational…
A: mass of black hole = 2.90×109 MsMs = 1.99×1030 kg
Q: (Astronomy) Schwarzschild Radius. Part A: Find the Schwarzschild radius for the least massive…
A: please see the next step for solution
Q: There exists an element visible in the spectrum of galaxies that shows the following spectra when…
A: Introduction: The Doppler effect refers to the apparent shift in the wavelength of a wave when there…
Q: The figure below shows the spectra of two galaxies A and B.
A: 1. According to the figure Galaxy A has a high relative flux density which shows it has a dense…
Q: he supermassive black hole at the center of a galaxy has a mass of 6.5 billion solar masses. If we…
A: Schwarzschild radius is defined as the radius below which the gravitational force becomes so large…
Q: 6) The redshift of a galaxy is observed to be 1.5. Calculate the recessional velocity of the galaxy.
A: Redshift takes place when the source is moving away from the observer. This reduces the frequency…
Q: The supermassive black hole at the center of the NGC 4261 galaxy is thought to have a mass of 1…
A: Schwarzschild radius or the gravitational radius is the distance below which an object will undergo…
Q: If Hubble’s constant is taken to be 70 km/sec/Mpc, and a quasar is found with a radial velocity of…
A: Given data: The Hubble’s constant is H0=70 km/sec/Mpc. The radial velocity is v=0.95c.
Q: Many galaxies appear to have supermassive black holes in their centers powering active galactic…
A: From equation of Schwarzschild Radius equation we can calculate mass of supermassive black hole.
Q: 4) Calculate the redshift of a galaxy with a recessional velocity of 0.68c. (
A: When a celestial object is moving away from the observer the light observed from the object will…
Q: Five astronauts (A - E) are watching a star collapse to form a black hole. Which of the flight plans…
A: Required: Which observers are moving faster than light.
Q: What is the magnitude of the merger of two galaxies which have the magnitudes m1 and m2?
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Q: The center of our Galaxy is about 7500 parsecs from Earth. What would be the parallax angle of a…
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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 redshift measurements of spectra from magnesium and iron are important in understanding distant…
A: Given, For Kα (n=2)For Lα(n=3)Rydberg Constant,R∞=1.097373×107/m We know the Moseley equation, For K…
Q: The Schwarzschild radius for a given black hole defines a sphere, from which escape is impossible,…
A: Given: The Schwarzschild of the given blackhole is RS = 2GMc2 Here G is the universal gravitational…
Q: Can you explain why 8/3 lambda is condition for nearest minima.
A: Given, Three coherent point sources
Q: The hydrogen Balmer line H, has a wavelength of 486.1 nm. It is shifted to 542.6 nm in a quasar's…
A:
Q: Calculate the Schwarzschild radius for a uranium-238 nucleus. (r = 7x10-¹5 m).
A: Black holes are points of high gravitational force in spacetime. The gravitational force is so large…
Q: The Perseus-pices supercluster of galaxies is 64 Mpc from Earth. How long (in years) does it take…
A: Given: Perseus-pices supercluster separation from earth→D=64 Mpc Standard conversion: 1…
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