Show that the radius of a neutron star decreases as the number of neutrons increases. Does this make sense? Shouldn’t the radius increase with more neutrons?
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: to what density must the matter of a 20M☉ star be compressed in order for the star to dissapear…
A: Given Data The mass of the matter is:M=20Mo The mass of the sun is:Mo=1.99×1030 kg To find: The…
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)
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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: The expanding bubble of hot gas shown in the figure, which has been inflated by the light from a…
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Q: What is the heaviest element likely to be produced in fusion processes in stars?
A: iron is the heaviest element stars can make.
Q: What connection does the Cold War have with neutron stars and black holes?
A: The formation of neutron star and black hole is same way. That is due to supernova. When supernova…
Q: Determine the radius of a neutron star with a mass of 2 solar masses.
A: Neutron stars are formed when massive stars die. A star is formed due to the balance between…
Q: What is the maximum kinetic energy of photoelectrons ejected from sodium by the incident radiation…
A: Given that-Wavelength of incident radiation is 450 nmThe photoelectric equation,hf=ϕ+ K.Ehere, ϕ is…
Q: when seeing an object at large distance
A: Given as, Eα1at
Q: Will the Higgs-Boson particle create a black hole and destroy the Earth
A: No, it will not create a black hole and certainly not big enough to destroy the earth.
Q: Why primordial black holes are thought to be extinct?
A: Black holes are formed due to the gravitational collapse of massive stars when the fusion inside the…
Q: Why do you expect neutron stars to have a powerful magnetic field?
A: Neutron stars are small stellar objects with a mass of about 1.4 solar mass. They are formed when…
Q: What is the percentage difference mass loss between a Helium nucleus and 4 protons? My math came…
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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: What is the distance in parsec to pulsar 0628-28 using 400 and 600 MHz frequencies? The dispersion…
A: GIven for pulsar 0628-28, dispersion measure DM is 124.5We have to determine distance in parsec to…
Q: A Type la supernova explodes in a galaxy at a distance of 8.70 x 10' light-years from Earth. If…
A: Given value--- Hubble constant = 68.1 km/s/Mpc . distance of galaxy from Earth = 8.70 × 107 light…
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 thought to cause the higher-energy gamma-ray bursts, which do not appear to repeat?
A: Gamma rays are short wavelength electromagnetic spectrum. The gamma-ray photons are the most…
Q: f a star is to eventually form a stellar black hole at any point in its life cycle, what must…
A: a star spends most of its lifetime as a main-sequence star. when it consumes all of its hydrogen…
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: How does a gravitational red-shift differ from a Doppler red shift?
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Q: What would your mass be if you were composed entirely of neutron star material of density 3 × 1010…
A: Neutron stars are formed when massive stars die due to gravitational collapse. The gravity will fuse…
Q: Calculate the Eddington limit for star of 10³0 Msun.
A: In a star, the radiation pressure is constantly pushing away matter while gravity is pulling it in.…
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: How can forces be unified?
A: According to the Big Bang Theory, a single force existed at the beginning of time. As the Universe…
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Q: when we on Earth see a pulsar, why does it seem to blink on and off?
A: Most nucleon stars square measure ascertained as pulsars. Pulsars square measure rotating nucleon…
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: 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: Where do the γ bursts come from?
A: Gamma-ray bursts are one of the top unsolved mysteries in astrophysics, alongside such burning…
Q: Calculate the deflection of light caused by the gravity of a star of mass 8M sun and radius 4Rsun.
A: The general theory of relativity suggests that the spacetime around a large gravitational source…
Q: Why did astronomers conclude that pulsars actually could not be pulsating stars?
A: Pulsars are defined as highly magnetized rotating neutron stars. They are capable of releasing beams…
Q: What phenomena can neutron stars supports?
A: Neutron stars are incompletely upheld against additional breakdown by neutron decadence pressure, a…
Q: What is the most fascinating feature of the standard model
A: The Standard Model of particle physics is a hypothesis that classifies all known constituent…
Q: If Betelgeuse is a M2 type star, what is the approximate temperature of the star in K?
A: Introduction - It is a supergiant star and the distance of this star from the sun is approximately…
Q: If a neutron star has a radius of 15 km and rotates 748 times a second, what is the speed of 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: Why would a neutron star have such a strong magnetic field?
A: Neutron star is basically consists of about 80% of neutrons, 10% of electrons and 10% of protons.…
Q: If the gravitational attraction is important in a neutron star where the neutrons are close…
A: Here, we look at the reason why gravitational force is strong in a neutron star but not in a…
Q: Chart the evolutionary process of a high mass star on the H–R diagram from ZAMS to death.
A: Required to draw: The evolution of high mass stars from Zero Age Main Sequence (ZAMS) to Death: We…
Q: A main sequence star of mass 25 M⊙has a luminosity of approximately 80,000 L⊙. a. At what rate DOES…
A: Given information: The mass of the star (m) = 25M⊙ The luminosity of the star (L) = 80000L⊙ part a):…
Show that the radius of a neutron star decreases as the number of neutrons increases. Does this make sense? Shouldn’t the radius increase with more neutrons?
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