What would your mass be if you were composed entirely of neutron star material of density 3 × 1010 (Assume that your average density is 1000 kg/m2 and normal mass as 60 kg...)
Q: Calculate the gravitational redshift of radiation of wavelength 550 nm (the middle of the visible…
A: The gravitational redshift is given by the formula, z=11-2GMc2r-1 where, G is the gravitational…
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: true or false A supernova core with a mass 2X that of the Sun produces a Black Hole
A: The Sun need to be concerning 20X additional large to finish its life as a black hole. Stars that…
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: What is the answer for sub-item (b in the picture) if the radius of the neutron star is 94.881 km? (
A: Given data : Radius of sun , r = 94.881 Km = 94.881×103 m To find : Find average density of sun if…
Q: person weigh on the surface of this star?
A: Mass of sun, m Mass of star, M=1.8×m Radius of Sun, r Radius of star, R=0.06×r Given, weight of a…
Q: If the accretion disk around a neutron star has a radius of 2 × 105 km, what is the orbital velocity…
A: Neutron stars are formed when massive stars collapse under their own gravity. They are very…
Q: 12.4 (a) What is the average density of the sun? (b) What is the av- erage density of a neutron star…
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Q: Assume that the gravitational binding energy of a star of mass M and radius R is |Egr| ~ GM²/R. Use…
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Q: Explain how supernovae produce neutron stars and pulsars.
A: Neutron stars are city size stellar objects with a mass of about 1.4 times that of the Sun.When…
Q: What is the escape velocity at the surface of a typical neutron star?
A: In celestial mechanics, the escape velocity is defined as the minimum velocity required by a…
Q: 12.4 • (a) What is the average density of the sun? (b) What is the av- erage density of a neutron…
A: We have given condition that if the radius of the neutron star is 84.66 km? Then what is the the…
Q: How many neutrons are in a 2.8-solar-mass neutron star? Assume the star’s mass is entirely neutrons…
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Q: In a white dwarf, each electron can be considered to be located in a region of size 1.5x10-12 m.…
A: White Dwarf: A small very dense star. A white dwarf is formed when low mass star has exhausted all…
Q: If the accretion disk around a neutron star has a radius of 8 ✕ 105 km, what is the orbital velocity…
A: Given Data: The radius of the neutron star is r = 8 x 105 km. As we know that the mass of the…
Q: What is the average density of a neutron star that has the same mass as the sun but a radius of only…
A: Given, mass of sun = mass of neutron star = 1.989 ×1030 kg radius = 84.66 km
Q: Determine the surface gravity on a neutron star. Assume the star has a mass 50% bigger than the…
A: mass of Sun = 1.98 * 1030 Kg mass of neutron star = mass of sun + 50%mass of sun = 1.5 * 1.98 *…
Q: What is the average density of a neutron star that has the same mass as the sun but a radius of only…
A: Density =MassVolume Mass of Sun = 1.989 × 1030 kg Radius 'r' of the Neutron Star = 74.591 km = 74591…
Q: Contrast the internal structures and properties of neutron stars with white dwarf and main sequence…
A: To explain: 1) Process which balances the inward pull in white dwarf and neutron star 2) Estimating…
Q: In a nova, why is the shell of hydrogen on the white dwarf consumed explosively rather than…
A: White stars are formed when stars that do not have enough mass to form neutron stars or black holes…
Q: If the accretion disk around a neutron star has a radius of 8 ✕ 105 km, what is the orbital velocity…
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Q: Convert the average mass density in gm/cm-3 of a M = 0.5 Msun R = 0.015 Rsun white dwarf to the…
A: Given that For white dwarf star given that M = 0.5 Msun R = 0.015 Rsun We know that mass of sun…
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: Assuming that hydrogen fusion requires the Universe to have a temperature of T > 10’ K (as measured…
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Q: The exponential drop in the brightness of supernova 1987A was due to the decay of 56Ni (t1/2 = 6.1…
A: Given: The reaction of decay is given as, Ni56t1/2=6.1 days→Co56t1/2=77.1 days→Fe56
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: What are the ranges of mass for white dwarfs, neutron stars, and black holes?
A: The remains of a star that has collapsed, an extremely dense state with no empty state between its…
Q: Calculate the redshift caused by a neutron star with a radius of 11 km and mass of 5.2 x 1030 kg.
A: As per general relativity when a photon leaves a gravitational well its wavelength will increase…
Q: What is the difference between type I and type II supernovae
A: To determine Difference between type I and type II supernovae
Q: Why do you expect neutron stars to spin rapidly?
A: Neutron stars are formed when stars with 4 to 8 solar mass die. When such a star runs out of fuel…
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: What is the surface gravity on the surface of White Dwarf of 1 Solar Mass? What about a Neutron Star…
A: Mass of white dwarf = m =1 solar massRadius of White Dwarf = rWDRadius of Neutron star = rNSRadius…
Q: Assume a neutron star has a mass of about 1.2 times the mass of the Sun and a radius of 7…
A: Basic Details The radius of the Event horizon around a black hole is also known as the Schwarzschild…
Q: During the collapse of a supernova explosion, calculate the change in gravitational potential hergy…
A: During explosion of supernova, the gravitational potential energy of the core is lost, hence the…
Q: What is the average density of a neutron star that has the same mass as the sun but a radius of only…
A: Given that: Radius of neutron star r=82.794 km Mass of neutron star is equal to mass of Sun.
Q: If a circular accretion disk around a 1.4 M. neutron star has a radius of 8.00 x 10° km as measured…
A: Given data: Mass of the Neutron star is, M= 1.4 Ms Where, Ms - Mass of the sun Therefore, Mass of…
Q: As a mass m of gas falls into a black hole, at most 0.1mc2 is likely to emerge as radiation; the…
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Q: A star collapses onto a neutron star. If its original radius is 7x105 km, by what factor will its…
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Q: The area of the event Horizon of a black hole is 4rR. Use the Schwarzschild metric to verify this.…
A: Schwarzschild metric or Schwarzschild solution is an exact solution to the Einstein field equations…
Q: Suppose a quasar is shining with a luminosity L. What is the approximate minimal mass of the black…
A: Solution: Given A quasar is shining with a luminosity L L = 1×1012 LSun We have to determine…
Q: Calculate the gravitational redshift of radiation of wavelength 550 nm (the middle of the visible…
A: As per general relativity, gravity affects light. Lights energy will depend on the gravitational…
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