Why is it possible for repeated nova explosions to occur in the same binary system?
Q: Why does a type Ia supernova explode? in two sentences.
A:
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, Radius of neutron star R= 93.106 km
Q: Supernova A is farther away than supernova B. The brightness of supernova A will be ________ than…
A: The brightness of supernova and its distance from the observer are related as
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: A supernova remnant is now 3.65 pc in radius and is expanding at 4,850 km/s. Approximately how many…
A: Given, Radius of remnant of supernova = 3.65 pc = 1.116×1014km Rate of expanding = 4850 km/s
Q: A star has initially a radius of 660000000 m and a period of rotation about its axis of 34 days.…
A: The angular velocity of the object is, ω=2πT (a) The inertia of the sphere is, I=25MR2 The initial…
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: A pulsating variable star with a period of 10 days would be a Cepheid having an absolute magnitude…
A: Pulsating variable star are made by expansion and contractions in the outer layers of any stars. Due…
Q: A nova is an event, not a stellar object. (True or false)
A: It is True. A nova is a transient astronomical event that causes the sudden appearance of a bright,…
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: What are the approximate spectral type, temperature, absolute magnitude number, and luminosity of…
A: Required : Spectral type, absolute magnitude, temperature and luminosity of star E.
Q: A cepheid star is located at a distance of 18.7kpc from the Earth and has an apparent visual…
A: Step 1:Step 2:
Q: If the accretion disk around a neutron star has a radius of 2 × 105 km, what is the orbital velocity…
A: Neutron stars are formed when massive stars collapse under their own gravity. They are very…
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 would a dead star of 2.5 solar masses be?
A: In massive stars the density and temperature of the core gain as much amount of heat to fuse 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: 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: 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: WR 68a is a relatively newly discovered (2015) double-lined spectroscopic binary. It has an orbital…
A: Solution: Calculate the orbital radius of each planet from the given time period and velocity.…
Q: 2. (a) Find the virial mass of a cluster for which the rms radial velocity dispersion is 5 km/s and…
A: Because of how clusters are prepared, they remain as tiny particles in the course of an experiment…
Q: When two stars are in the same star system, they can affect each other’s evolution. Two stars in the…
A: Two stars in the same system might evolve at a different pace, depending on their distances in the…
Q: If the accretion disk around a neutron star has a radius of 8 ✕ 105 km, what is the orbital velocity…
A:
Q: If a super nova has an absolute magnitude of -20 and a distance of 10 million parsecs calculate the…
A: Detailed solution is given below:
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: Let's compare the acceleration due to gravity at the surface of a Sun-like star to a white dwarf of…
A:
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: Why does the orbital period of a binary star depend on its mass?
A: A binary system is formed when two massive astronomical objects start orbiting each other around a…
Q: If the radius of the neutron star is 85.074 km, what is the average density of a neutron star that…
A: To Find : density of neutron star
Q: What is the difference between type I and type II supernovae
A: To determine Difference between type I and type II supernovae
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: a)What type of supernova is most luminous in light? (b) What kind of star results in such an…
A: a) Supernova is an astronomical event take place when a white dwarf star exploded. When the white…
Q: An object was discovered on Feb. 24.37 UT (position R.A. = 5h35m.8, Decl. = -69 18'), obtained m =…
A: Given information: The apparent magnitude of the SN at its peak brightness is (mp) = 2.8 The…
Q: What is the size of a typical white dwarf? Group of answer choices 1.0 solar radii 0.5 solar…
A:
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: What would a dead star of 1.1 solar masses be
A: White dwarfs are remnants of dead stars. White dwarfs are very dense and the mass of a white dwarf…
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…
A: A 1.40 MSun neutron star has a radius of 10.0 km, what is the radius (in km) of a 2.15 MSun neutron…
Q: What is the average density of a neutron star that has the same mass as the sun but a radius of only…
A: r=Radius of star=86.234 kmm=Mass of star=Mass of Sun=1.989×1030 kgV=Volume of star=43πr3
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: A supernova remnant is now 3.85 pc in radius and is expanding at 3,350 km/s. Approximately how many…
A:
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