What keeps a neutron star from collapsing into a black hole?
Q: hat is the mass of a black hole with a Schwarzschild Radius of 1 AU? Please show w
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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: What type of explosion occurs when a black hole is born? Group of answer choices Gamma-ray Burst…
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Q: Calculate the mass of black hole with a radius of 20 km.
A: For a blackhole, the radius of the event horizon or the point of no return is defined as the…
Q: Neutron stars have a mass of ___________ a) 1.4 solar mass b) 14 solar masses c) 20 solar masses…
A: A
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 acceleration of gravity at the surface if the white dwarf has 1.5 the mass of the sun…
A: Given, Mass of white dwarf, Mw=1.5×Ms=1.5×1.989×1030 kg=2.98×1030 kg, and the radius of the white…
Q: A Black Hole gets its name because it is the remains of a massive black star. True False
A: When the massive stars collapse, then the black hole is produced. It absorbs all the mass and light…
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: 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: Why is a black hole invisible?
A: A black hole is a region in space where the pulling force of gravity is so strong that light is not…
Q: What happens to a neutron star that accretes too much matter? Group of answer choices It explodes in…
A: We need to find what happens to a neutron star that accretes too much matter.
Q: What causes X-ray emissions in a binary system of a star and a black hole?
A: A binary system is two gravitational bodies orbiting each other with a common center of mass. A…
Q: Why haven't we detected any Primordial black holes?
A: Primordial black holes or PBH are black holes that formed soon after the birth of the universe. The…
Q: Assume a neutron star has a mass of about 1.2 times the mass of the Sun and a radius of 7…
A: Given: Mass of neutron star = 1.2 times mass of sun. Radius of neutron star = 7 km. Diameter of…
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: Are there different types of black holes?
A: Since you have posted multiple questions, we will provide the solution only to the first question as…
Q: How can we “observe” a black hole if neither matter nor radiation can escape from it?
A: Given: Black hole
Q: Calculate the mass of a black hole at room temperature.
A: Black holes are regions of space-time where the gravity is very large that nothing, not even light…
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: What happens to a White Dwarf's radius if a little mass is added? What happens if a companion star…
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Q: If the radius of the neutron star is 85.074 km, what is the average density of a neutron star that…
A: The density of a neutron star is given by, ρ=MV where M is the mass of the star and V is the volume…
Q: Most stars exist as a binary system fission reactor quasar…
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Q: the Sun were to become a black hole at what distance will the escape veloc
A: The distance at which the escape velocity of a black hole becomes the speed of light is called the…
Q: What is the orbital period of a bit of matter in an accretion disk 2 x105 km from a 10-solar-mass…
A: Black holes are regions of high gravitational force in spacetime. The gravitational pull is so large…
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: Which of the following will occur to our Sun at some point in the future? (Select all that apply)…
A: The sun does not have that much mass to be exploded as a supernova.
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: Which of the following can a black hole not "eat" or consume? another black hole O a planet O black…
A: A black hole in simple terms is a region of very very strong gravity which is unimaginable. It is…
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: 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: Why do millisecond pulsars spin so fast?
A: Millisecond Pulsars are formed when accretion of matter takes place from a companion star to an old…
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: 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: A star collapses onto a neutron star. If its original radius is 7x105 km, by what factor will its…
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Q: From this new rotation rate (0.175 RATE), the neutron star is slowed to a halt in 3 billion years.…
A: new rotation rate (0.175 RATE)
Q: Calculate the temperature of the black hole with the same mass as moon. (7.3 × 1022 kg)
A: Given Mass of the block hole M = 7.3×1022 kg Find the temperature of the black hole, as following…
Q: Doppler redshift in light from a star indicates that the star is_____.
A: When there is relative motion between observer and source then there is change in frequency ( or…
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