The supermassive black hole at the center of the NGC 4261 galaxy is thought to have a mass of 1 billion suns. Calculate its Schwarzschild radius and compare it with the size of our solar system.

Q: TRUE OR FALSE   A Black Hole’s singularity has zero radius yet can accommodate infinite mass.

A: SOlution: Is black hole has zero singularity and yet capable of taking all the mass inside.

Q: hat is the mass of a black hole with a Schwarzschild Radius of 1 AU? Please show w

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Q: What will happen to the escape velocity at the surface of a star if it collapses under the force of…

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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: Two galaxies are moving away from each other at 8000 km/sec and are 4x103 light-years apart. It was…

A: The speed or velocity of an object is defined as the ratio between the distance traveled by an…

Q: Now look at the two images labeled "At a distance of 2.5M" and "At a distance of 2.1M". These show…

A: The mass of the black hole is so massive that even light can’t escape from it. A black hole is a…

Q: As an object falls into a black hole, tidal forces increase. Will these tidal forces always tear the…

A: Black hole acts like a death eater in the universe that consumes or swallow energies and mass of the…

Q: The spectral lines of various elements are detected in light from a galaxy in the constellation Ursa…

A: The equation for red shift is, λobs=λ1-vc

Q: Calculate the Schwarzschild radius of an average human weighing 65 kg.

A: When an object crosses its Schwarzschild radius it causes an irreversible gravitational collapse.…

Q: Two identical stars withmass M orbit around their center of mass. Each orbit is circular and…

A: The separation between two stars is  2R. the orbital velocity of each stars is,…

Q: Suppose a galaxy is moving away from Earth at a speed 0.78c. It emits radio waves with a wavelength…

A: Doppler effect is the change in frequency and wavelength of a wave due to the motion of the source…

Q: The Large Magellanic Cloud is a small satellite galaxy that orbits the Milky Way. It is currently…

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Q: State the value of the Ricci tensor R on the event horizon of a Schwarzschild black hole, and…

A: Required: The value of the Ricci tensor on the event horizon of a Schwarzschild black hole.

Q: a) Calculate the Schwarzschild radius of a person of mass 80 kg. Compare this to the size of a…

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Q: The orbital speed of a star about the center of the Milky Way is determined by its distance from the…

A: The galactic center is orbited by the Sun. Therefore, if we are able to calculate the Sun's speed…

Q: A binary system has stars whose masses are 7M and 13M with an orbital period of5 years,…

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Q: Assuming a circular orbit for the Sun about the center of the Milky Way galaxy, calculate its…

A: Write the variable with the given values.

Q: How large is the Schwarzschild radius of a black hole containing that of the Earth? a mass equal to

A: Schwarzschild radius is defined as the radius below which an object will collapse under its own…

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: Calculate the Schwarzschild radius for the sun and Earth.

A: Every object has a radius within which the gravitational force is so large that it prevents matter…

Q: The satellite's controllers are attempting to establish contact with the satellite, which is about…

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Q: Calculate the Schwarzs

A: The Schwarzschild radius of an object can be defined as the limit it can shrink before undergoing…

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: star is 1.0 x 104 ly (light-years) from the center of its galaxy and is moving in a circle around…

A: Given : r = 1 × 104 ly = (1 × 104)(9.46 × 1012) = 9.46 × 1016 km v = 110 km/s t = 5.6 x 109 years =…

Q: Calculate the Schwarzschild radius for Jupiter. (mJupiter 1.90 x 1027 kg)

A: Given data mJ=1.9×1027 kg

Q: You discover by dropping particles into it that the Event Horizon (Schwartzschild Radius) of a black…

A: Data Given ,   Schwarzschild radius of black hole ( rs ) = 171 km = 171 × 103 m We have to find the…

Q: I'm stumped on this question: A clump of matter does not need to be extraordinarily dense in order…

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Q: d) A binary black hole, separated by a distance of 350 km, each of 30 solar mass, rotates with…

A: Given, a binary blackhole separated by  a distance r=350km=3.50×105m ma=mb=30M⊙ Rotating with an…

Q: The biggest black hole ever discovered has a mass of 40 billion solar masses. Calculate the…

A: Given,

Q: A spaceship is located around 2.6×10¹³ km from the black hole Messier 87. It has a mass of 6.6…

A: Time is not absolute, it depends on the speed and gravitational field present. The time measured…

Q: Calculate the Schwarzschild radius of the Sun.

A: The Schwarzschild radius for an object is defined as the radius below which the object will undergo…

Q: I understand that to an outside observer, the light from a star that is collapsing into a black hole…

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