Why do you expect neutron stars to spin rapidly?
Q: Which of the following is most likely to occur when mass is continually added to a 1.5 solar mass…
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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: Stars begin their life cycle in a O black hole O nebula O nova O supernova
A: Answer:) star begin their life cycle in a nebula
Q: Why is it possible for repeated nova explosions to occur in the same binary system?
A: A binary star system is one in which two stars are bound to each other through gravity. They will…
Q: In binary star systems where a main-sequence star is transferring mass to a white dwarf star, which…
A: Required : The correct option
Q: Which stars are associated with a planetary nebula? black holes, neutron star's, white dwarf or main…
A: Required : What are planetary nebula associated with.
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: 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: e la supernova?
A: To trigger a type la supernova one of the two stars must be a white dwarf . The other star is often…
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: 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: Why massive stars are short lived?
A: A massive star has a shorter life spanthan an average star because of fasterhydrogen fuel…
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: 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: Why do you expect neutron stars to have a more powerful magnetic field than a white dwarf?
A: A neutron star consists of ions along with neutrons which are responsible for radiation in the form…
Q: Assume that you observe both of these stars in a galaxy 10 million light-years away. How bright is…
A: 1) Distance of both stats from observer, d = 10 million light years d = 10 x 106 ly d = 107 ly 1…
Q: Suppose that a neutron star has a radius of 10 km and a temperature of 1,000,000 K. How luminous is…
A: The luminosity of a star is defined as the total amount of electromagnetic energy released by a star…
Q: Pulsating variable stars are normal stars experiencing brief period instability lasting only a few…
A: A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.
Q: Why don't red dwarfs become giant stars?
A: Red dwarf stars or M-type stars are small stars with a mass of 0.08 to 0.6 times the mass of the…
Q: A supernova remnant is now 3.05 pc in radius and is expanding at 1,100 km/s. Approximately how many…
A: Given, The radius: r=3.05 pc=3.05×3.1 × 1013 km 1 pc =3.1 × 1013 kmor, r=9.455 ×…
Q: why are Cepheid variable stars good distance indicators? What about supernovae?
A: Named after delta-Cephei, Cepheid Variables are the most important type of variable because it has…
Q: What is the size of a typical white dwarf? Group of answer choices 1.0 solar radii 0.5 solar…
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Q: Generally speaking, a low-mass star ends up as a white dwarf while a high-mass explodes. Why/How…
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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 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: Why do old stars have less metal compared to new ones?
A: As per the Big Bang theory, the universe expanded from an initial high-density state. In the…
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: Explain why massive stars evolve faster?
A: Stars are formed in the interstellar medium. The interstellar medium contains hydrogen and helium…
Q: Say that a white dwarf has about the same radius as the earth and about the same mass as the sun.…
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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: 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: 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: If a neutron star has a radius of 12 km and rotates 1,352 times a second, what is the speed at which…
A: radius of neutron star (r) = 12 km = 12000 m angular speed (ω) = 1352 revolutions per second
Q: A distant Nebula is now 2.35 pc in radius and is expanding at 1100 km/s. Approximately when did the…
A: The rate of expansion of the Nebula is given by the formula,…
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):…
Q: If a neutron star has a radius of 13 km and a temperature of 9.0 x 10° K, how luminous is it?…
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Q: How much energy would be released if a star with a mass of 25 Msun and a radius of 10 Rsun detonates…
A: Required : The energy released in supernova explosion
Q: Comment on the difference between a nova and supernova. [Note: There are two basic types of…
A: Nova : A nova can be stated as a transient astronomical event that causes the sudden appearance of a…
Q: Suppose that a neutron star has a radius of 13 km and a temperature of 7,000,000 K. How luminous is…
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