true or false White Dwarfs generate energy through low grade thermonuclear reactions in their cores.
Q: Why does a type Ia supernova explode? in two sentences.
A:
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A: Given, Radius of remnant of supernova = 3.65 pc = 1.116×1014km Rate of expanding = 4850 km/s
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A: The expression for the Kepler’s third law is as follows: MA+MB=a3p2 1
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A: Required : Spectral type, absolute magnitude, temperature and luminosity of star E.
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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…
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A: Neutron stars are formed when massive stars collapse under their own gravity. They are very…
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A: Mass of the dwarf planet = 0.98 solar mass = 1.96 * 1033 gm…
Q: Q7// a- Estimate the density of a white dwarf if it has a solar mass packed into a sphere with…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
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: Assuming that at the end of the He burning phase of the stellar core (r R_core). Calculate the…
A:
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 luminosity, in solar units, of a brown dwarf whose radius is 0.1 solar radii and whose…
A: Luminosity of a star or an object is the total amount of energy radiated per second by that object.…
Q: a supernova remnant is now 2.95 pc in radius and is expanding at 3,850 km/s. approximately how many…
A: Given information: The radius of the supernova remnant (D) = 2.95 pc = 2.95 (3.1×1013 km) = 9.145…
Q: How is the shape of a black hole, the material around it, and the release of high-powered jets…
A: Question : How is the shape of a black hole, the material around it, and the release of…
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A: White stars are formed when stars that do not have enough mass to form neutron stars or black holes…
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A: Two stars in the same system might evolve at a different pace, depending on their distances in the…
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: If the accretion disk around a neutron star has a radius of 8 ✕ 105 km, what is the orbital velocity…
A:
Q: Consider an M-dwarf star of mass 0.1M⊙ and luminosity 10−3L⊙. When the star joins the main sequence…
A: Luminosity of the star is defined as the power emitted by the star. Power is simply the energy…
Q: Let's compare the acceleration due to gravity at the surface of a Sun-like star to a white dwarf of…
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Q: 1. A planetary nebula has an angular diameter of 76 arc seconds and a distance of 5100 ly. What is…
A: 1.Small angle Formula:D=αd2.06×105where, D is the linear diameterα is the angular diameter=76 arc…
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: The mass of the extra-solar planet HD-22 is 2.15E+26 kg, and it's radius is 1.52E+4 km. What is its…
A: Given value--- mass, m = 2.15×1026 kg radius, r = 1.52×104 km = 1.52×107 m. To find--- Density ?
Q: A 1.8 M neutron and a 0.7 M white dwarf have been found orbiting each other with a period of 28…
A: Kepler’s third law for binary stars
Q: We learned in class that, when stars collapse under their own gravity, they conserve angular…
A:
Q: suppose a planetary nebula is 2.8 pc in diameter, and doppler shifts in its spectrum show that the…
A: Given information: The diameter of the nebula (D) = 2.8 pc = 2.8 (3.1×1013 km) = 8.68 ×1013 km 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: 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…
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Q: What is the size of a typical white dwarf? Group of answer choices 1.0 solar radii 0.5 solar…
A:
Q: Indicate whether the following statements are true or false. (Select T-True, F-False. If the…
A: Indicate whether the following statements are true or false A) White dwarfs are small dense objects…
Q: QUESTION 16 Use the figure shown below to complete the following statement: A low-mass protostar…
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Q: If a 1.40 MSun neutron star has a radius of 10.0 km, what is the radius (in km) of a 2.15 MSun…
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Q: What determines the mass distribution of forming stars, the initial mass function (IMF
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Q: Calculate the Schwarzschild radius of the Sun.
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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: 50,000 20,000 Surface Temperature (C) Would the surface temperature of the stars classified as white…
A: Surface temperature of white dwarfs is around 20000K And for giant it is 2500 to 4000K
true or false
White Dwarfs generate energy through low grade thermonuclear reactions in their cores.
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