17) Calculate the gravitational redshift caused by Sagittarius A.
Q: d) The Cosmic Microwave Background Radiation (CMB) is observed to have a present day temperature of…
A: To answer: The origin of the fluctuations in the Cosmic Microwave Background Radiation (CMB).
Q: Then how fast is the rocketship moving relative to the Earth? ameter value: L = 530 km e the value…
A:
Q: The temperature of the CMB today is T=2.725 K. Calculate the temperature of the CMB at redshift…
A: Given T = To = 2.725 K z = 2000 Temperature of CMB at redshift 'z' is given by T = To (1+z)
Q: 1. Determine the radius of the event horizon if a star of mass 11 x 1030 kg explodes into a…
A: The radius of the event horizon is, R=2GMc2
Q: 3. The formula for Hubble's Law using the velocity v is valid only for velocities much smaller than…
A: Given data: Redshift z=4.89. The recessional velocity is given as, v=cz+12-1z+12+1 Here, c is the…
Q: why is G considered to be the same throughout the universe?
A:
Q: Consider a US Air Force launch of its latest GPS satellite from Cape Canaveral. Radar tracking…
A: To calculate the minimum total delta V required to maneuver the spacecraft into the desired orbit,…
Q: 10. Sirius is about 9.00 ly from Earth. To reach the star by spaceship in 15.0 y (ship time), how…
A: Given:- Sirius is about 9.0 ly from the earth To reach the star by spaceship in 15.0 y(ship time )…
Q: 2. What is the best way to stop being pulled into a black hole? a.) Fire rockets continuously. b.)…
A: Blackhole is an object which has an escape velocity equal to speed of light. this is the velocity…
Q: 4. If the Sun suddenly became a black hole, how would the Earth's orbit be affected? Explain.
A: If the Sun suddenly became a black hole, it's mass would not change (it would nearly be contracted…
Q: 25) To what size the Earth should shrink to become a black hole?
A: Schwarzschild radius is the limit to which a body can shrink before undergoing irreversible…
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: Which of the aircuts below will give you Vab=7V? Select one: O V Ob. 3V OL 3V d. 3v 5V 1V БУ SV IV…
A:
Q: ith derivation.
A: Given: A magnetic field exerts in the moving charge and the current carrying the conductor. These…
Q: when seeing an object at large distance
A: Given as, Eα1at
Q: 3. Determine the Schwartzschild radius and the average density of a black hole formed by the…
A:
Q: Describe pion.
A: Pion is an elementary particle. It is a meson. A pion is produced in large variety of particle…
Q: The Schwarzschild radius of a black hole is the radius at which light cannot escape. By setting the…
A:
Q: 5) A nova can occur when a white dwarf, which is the dense core of a once-normal star, "steals" gas…
A: Given, Energy E = 1038 J Mass m = ? From Einstein's mass energy relation, we have…
Q: What is meant by proper time and proper length?
A: Define Proper time and proper length.
Q: A2. A light beam falls radially inwards towards the center of a black hole. First it passes shell A…
A: Step 1: Blackhole: When a very massive star comes to the end of its life it turns into a black hole…
Q: emitted by a source at rest: i) at a radius of r = 2.2M outside a black hole of mass M =1 Mo. ii)…
A: Given: r= 2.2 M Φ=-6×10-5
Q: How to calculate the average mass loss with 2 different mass loss at the same time(both of the two…
A:
Q: Galaxies M87 (Messier87) is a giant elliptical galaxy, which recently made it on me- dia worldwide…
A: Given M87, a giant elliptical galaxy that has a stellar mass M*=2.4×1012M ☉ and has a radius of…
Q: Whats the distance at which the gravity from Messier 87 will slow down time by a factor of 5.
A: Just like how time slows down when we move fast, time also slows down when we get close to a very…
Q: How can we “observe” a black hole if neither matter nor radiation can escape from it?
A: Given: Black hole
Q: Questions/Analysis: 12. Classical Cepheid variables have been observed in other galaxies. What would…
A: Given data, Period of Cepheid T=65 days. Distance of star d=2500000 LY = 766503 parsec.
Q: Problem 2 a) Show that a(t) = ct is a solution of the Friedmann equations for a completely empty…
A: a) Given, for an empty space, mass density is ρ=0 pressure is p =0 curvature parameter is k = -1…
Q: 2. Sirius is about 9.00 ly from Earth. To reach the star by spaceship in 10.5 y с 50 ssf60 $09J$$…
A:
Q: an introduction on what is the event horizon of a black holes?
A: The occasion horizon of a black hollow is a essential idea in astrophysics that marks the boundary…
Q: a) Calculate the Schwarzschild radius of a person of mass 80 kg. Compare this to the size of a…
A:
Q: gravitational exist in all pairs in the universe, then let us compare for it's value between two…
A: We use the formula of force of gravitation between two objects
Q: 28) How accretion disk surrounding the black hole helps in its detection?
A: Black holes are generated when supermassive stars die. The gravitational collapse is so large that…
Q: If an astronaut travels inside the event horizon of a black hole, what phenomenon will he observe? O…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Assuming that hydrogen fusion requires the Universe to have a temperature of T > 10’ K (as measured…
A:
Q: 3. At a particular instant in time, a small star of mass m is directly in between two large stars,…
A:
Q: The search for black holes involves searching for a. single stars that emit large numbers of X…
A: Blackholes are the objects which have extreme gravitational pull through which even light cannot…
Q: How can we calculate Schwarzschild radius?
A: The Schwarzschild radius is the radius of the object which is obtained by compressing the mass or…
Q: The hydrogen Balmer line Hγ has a wavelength of 434.0 nm in the laboratory. It is observed in a…
A: Quasi-stellar objects or quasars are the distant objects in the universe. They are hard to detect…
Q: 1- can we obtain energy from a Votating black hole ?
A: Einstein's theory of general relativity , the theory that connects space, time, and gravity predicts…
Q: Explain how pulsars (highly compact objects that periodically emit radiation) are formed and write…
A: The pulsars are commonly known as rotating neutron stars. A neutron star is the last stage of a…
Q: At time t the resultant force on a particke, of mass 250kg is (300ti-400tj)N. Initially the particle…
A: Given data: Mass of particle m = 250kg Resultant force F = (300t i - 400t j )N Velocity of…
Q: Assume that the laws of Newtonian mechanics and Newtonian gravity still hold for a neutron star,…
A: Assume that the laws of Newtonian mechanics and Newtonian gravity still hold for a neutron star,…
Q: Why are gravitational waves hard to detect and is there a way to simplify the process? How
A: Why are gravitational waves hard to detect and is there a way to simplify the process.
Step by step
Solved in 3 steps
