What happens to a neutron star that accretes too much matter? Group of answer choices It explodes in a supernova. It explodes in a hypernova. It forms a white dwarf. It forms a black hole.
Q: In order to form a black hole, a star must be about how much more massive than our Sun? a. Fifty…
A: As per the Theory of black hole, When a big giant star is dead, The star Formed in to black hole.…
Q: Which of the following is most likely to occur when mass is continually added to a 1.5 solar mass…
A:
Q: What star is a white dwarf that is much more dim and hotter than the sun. and which type of stars…
A: 1.carbon-oxygen white dwarfs 2. hydrogen- fusing white dwarfs 3. Sirius B 4. Procyon B 5. Stein 2051…
Q: Which of the following is NOT the result of the death of a massive star? Select one alternative:…
A: Hypernova is the type of phenomenon that happens when a massive star collapses into this and results…
Q: 06
A: Given that:-Luminosity, L=78.4×1026 Watt.Radius, r= 1.2×106 kmr= 1.2×106×103m=1.2×109 mWe know…
Q: Which of the following is least reasonable regarding novae and supernovae? Group of answer choices…
A:
Q: Stars which appear single to the naked eye but are double when seen through a telescope are: A.…
A: Stars which appear single to the naked eye but are double when seen through a telescope are called…
Q: What is a neutron star? Group of answer choices A neutral star A compact star composed mainly of…
A: The problem is based on the concept of the neutron star. It is a celestial object of a very small…
Q: Multiple choice a) After about 10 billion years on the main sequence a one solar mass star will…
A: A star is a celestial body made up of a bright sphere of plasma that is kept together by gravity.
Q: Consider a close binary system composed of a white dwarf, a giant star, and an accretion disk. Which…
A: Given Data: Let us consider the given closed binary system composed of a white dwarf , a giant star…
Q: Two stars are in a closely orbiting binary system. The smaller star (a K-type main sequence star)…
A: The correct option. Following the mass transfer, which of the following is now true of the main…
Q: If a stellar remnant is in between 0.4 and 1.4 solar masses, the resulting object will be a a.…
A: If a stellar remnant is in between 0.4 and 1.4 solar masses, the resulting object will be a white…
Q: A star is observed with a surface temperature of 3,000 K and a luminosity of 100,000 solar…
A: Given , Temperature = 3000 K Solar Luminosity = 100,000 Now , mass and luminosity are related by…
Q: Put the steps of the life cycle of a star in order.
A: Required : Steps involved in star cycle.
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: If a 1.40 Msun neutron star has a radius of 10 km, what is the density (in kg/cm³) of a 1.52 Msun…
A: Consider the neutron star is in a perfect sphere. The expression to solve for the density of the…
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: Astronomers think of pulsars not as pulsing objects, but rather like a(n) a. Cepheid variable.…
A: A Cepheid variable is a class of stars, that varies in its apparent magnitude values over a period…
Q: Which of the following is least reasonable regarding the mass of stars? Group of answer choices…
A: Stars are of different sizes and they have their own set of characteristics based on multiple…
Q: 24 If the Temperature of the core of a supernova is 3200 x 1023 K, what should be the average…
A: Step 1:Step 2:
Q: Consider two stars: one being a red giant with a spectral type K0 and one being a supergiant with a…
A: The intrinsic luminosity of a star is given by Stefan-Boltzmann's law as L=σAT4σ is the…
Q: Fill in blank missing word A Blank variable is type of bright giant that is in the instability strip…
A: This problem can be solved by knowing some properties of Cepheid variable stars.
Q: Which of these is NOT used as a spiral tracer? a. O stars b. B stars c. young open clusters…
A: Spiral tracers are objects that are commonly found in spiral arms and soare used to trace spiral…
Q: A turnoff point corresponding to the oldest star cluster would occur at what spectral…
A: Turnoff point in HR diagram is the point where the star leaves the main sequence branch
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: Globular clusters contain no stars more massive than the Sun. Which of the following seems like the…
A: First, we are aware that no stars more massive than the Sun can be found in globular clusters. Any…
Q: Once carbon builds up in the Sun's core, astronomers expect our Sun to first become a red giant,…
A: Our sun is an average mass star in the main sequence. The life cycle of average main sequence star…
Q: What is the most likely explanation for the dark area in the figure shown below? It is a region…
A: Interstellar extinction is a term used by astronomers to describe the reduction in the amount of…
Q: Explain how some stars form in binary systems.
A: There are number of ways stars can be formed in binary systems. They are discussed below.
Q: Pulsars result from a. expanding red giant stars b. white dwarf supernovas c. spinning neutron…
A: A pulsar is a neutron star that spins and releases concentrated beams of radiation from its poles.…
Q: 2GM What is the escape velocity (in km/s) from the surface of a 1.1 Mo neutron star? From a 3.0 M.…
A: Escape velocity is the speed that is sufficient for a body to escape from a gravitational center of…
Q: The first gravity wave was detected by LIGO in Sept 2015. What caused this gravity wave? Group of…
A: LIGO is Laser Interferometer Gravitational-wave Observatory. It is the world's largest gravitational…
Q: Draw the evolution of a 1 Mo star on the H-R diagram from the zero age main se- quence to the white…
A: Step 1: Evolution of stars: Change in the properties of stars resulting in their passing through…
Q: Star size in term of the sun. Wien’s Law: max = 2.98 X 106 / T The value of T is in Kelvin.…
A: The stellar radius of the sun is, Rs=kLθTs2 The expression for the stellar radius of the given…
Q: The density of a ________________ is greater than the density of a _________________. a. white…
A: A white dwarf is a stellar remnant of a star, which is formed after the star depletes the hydrogen…
Q: Two stars are in a binary system. One is known to have a mass of 0.700 solar masses. If the system…
A: We know that-1 Solar mass=1.988×1030 kgMass of star 1, m1= 0.7×1.938×1030= 1.3916×1030 kgMass of…
Q: You discover a binary star system in which one member is a 15 solar-mass main-sequence star and the…
A: Required : The correct option.
Q: A turnoff point corresponding to the youngest star cluster would occur at what spectral…
A: The turnoff point of a star is the point where it leaves the main sequence of the HR diagram after…
Q: QUESTION 16 Use the figure shown below to complete the following statement: A low-mass protostar…
A: During the formation of a low-mass protostar, a protostar accumulates mass by accreting material…
Q: 1) How are luminosity, mass and temperature of a star related?
A:
Q: Of the 2 stars: a low-mass star or high-mass star: a. Which star has more fuel? - b. Which star…
A: This is a question regarding the lifetime of a star. A star burns by the process of fusion. In…
Q: Astronomers us the P-Cygni line features in a spectrum of a supernova to... Select one alternative:…
A: Required : The correct option.
Q: What keeps a neutron star from collapsing? a. the thermal pressure resulting from nuclear fusion in…
A: What keeps a neutron star from collapsing?Choose the correct option.
Q: What do these three nebulae have in common? NOTE: There are multiple correct answers. Select all…
A: (1) As we know that Nebulae are made of dust and gases mostly hydrogen and helium. (2) The dust and…
Q: Number the following stages in the life cycle of a sun-like star in order of occurrence (1-8): White…
A: There are billions of galaxies in the universe and in it there are billions of stars. Stars are…
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