What are the ranges of mass for white dwarfs, neutron stars, and black holes?
Q: Which of the following is most likely to occur when mass is continually added to a 1.5 solar mass…
A:
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: If the radius of the neutron star is 85.074 km, what is the average density of a neutron star that…
A: mass of the sun, Msun=1.989×1030 kg Radius of the sun, R=85.074 km Volume, V=43πR3
Q: How can a black hole emit X-rays?
A: Black holes are regions of high gravity in spacetime. Once a black hole is formed it will start…
Q: How massive would a black hole have to be to have an event horizon the same size as the Earth?…
A: .
Q: What type of explosion occurs when a black hole is born? Group of answer choices Gamma-ray Burst…
A:
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: 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: Describe the evolution of a very low mass start a red dwarf, birth to death
A: Answer Low mass stars in their dating stages shed their outer layers transfer most of their mass…
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: 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: A 1.5 M neutron star and a 0.7 M white dwarf have been found orbiting each other with a period of 10…
A: The expression for the Kepler’s third law for binary stars is as follows: MA+MB=a3p2…
Q: An x-ray photon escapes the accretion disk of a black hole of 5 solar masses and a radius of 14.7…
A: As per general relativity due to space-time curvature, the frequency of the photon will reduce as it…
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: 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: If you weigh 675 N on the earth, what would be your weight on the surface of a neutron star that has…
A: weight = 675 N msun = 1.99 x 1030 kg G = 6.67×10−11 N⋅m2 /kg2 g = 9.8 m/s2 d=23.0 km r = 11.5 km =…
Q: Which of the following observatories is most likely to discover a black hole in a binary system? A.…
A: A binary system is defined as a system in which two objects revolve around each other, having a…
Q: White dwarfs have a temperature of 100×103 K. Calculate the maximum wavelength of a White dwarf.
A: A white dwarf is a stellar core remnant that is highly dense and made of electron-degenerate matter.…
Q: How close, r, to the center of a neutron star would a manned satellite be orbiting if it were at the…
A: Gravitational force of earth’s surface = Gravitational force of star GMN mr2=mg r= G MNg
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: 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: How do black holes form?
A:
Q: What characteristics must a binary star have to be a good candidate for a black hole? Why is each of…
A: The characteristic must a binary star posses for it to be a good candidate for black hole is, From…
Step by step
Solved in 2 steps
- If the Sun were to become a black hole at what distance will the escape velocity reach the speed of light?Which of the below rotation curves best represents the orbital speeds stars in the Milky Way Galaxy would have if there were no dark matter in the galaxy? A B Distance Distance C D Distance Distance А.А В. В С. С D.D Velocity Velocity Velocity VelocityAssume that the laws of Newtonian mechanics and Newtonian gravity still hold for a neutron star, what approximately is the escape velocity at the surface of a 1.4 solar mass neutron with a radius of 10 km? A. 2×108 m/s B. 108 m/s C. 1.5 ×108 m/s D. 2.5 ×108 m/s
- What is the orbital period of a bit of matter in an accretion disk 2 x105 km from a 10-solar-mass black hole?The density of a ________________ is greater than the density of a _________________. a. white dwarf; neutron star b. neutron star; black hole c. pulsar; neutron star d. pulsar; white dwarf e. white dwarf; black holeCalculate the redshift caused by a neutron star with a radius of 11 km and mass of 5.2 x 1030 kg.
- What does a black hole sound like?Five astronauts (A - E) are watching a star collapse to form a black hole. Which of the flight plans require that the astronaut travel faster than light? A COLLAPSING STAR THAT FORMS BLACK HOLE r=0 Singularity Time Inside of Star At B D Rs Radius of a Star EA star collapses onto a neutron star. If its original radius is 7x105 km, by what factor will its spin rate increase?