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: Of the following objects, the one that produces the least energy is a a. supernova. b. Type 1…
A: Answer:- Option (a) correct. Supernova.
Q: Which of the following is most likely to occur when mass is continually added to a 1.5 solar mass…
A:
Q: As a white dwarf cools, its radius will not change because a. pressure resulting from nuclear…
A: White dwarf is one of forms of a star in its life span. Whenever a star exhaust of its fuel, it…
Q: 1. Using the observed (apparent magnitude) light curve for a Cepheid variable shown below, estimate…
A: Given is a plot between the apparent magnitude mV and the period in days plot So first from the…
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: 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: 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: The period–luminosity relation is useful in determining a. the mass of a star for which the…
A: Period-luminosity relation :- According to this…
Q: What is the lifetime on the main sequence of a 2-solar-mass star? a. 1.8 × 1011 years b.…
A:
Q: A star on the main sequence has a surface temperature of 10,000 K. Use the H-R diagram to determine…
A: Wa can derive the ages and masses by locating each star on temperature and lumonisity plots (HR…
Q: Pulsars CANNOT be spinning white dwarfs because a. white dwarfs are not that common. b. white…
A: Correct Option is " d "
Q: A 2-solar-mass star on the main sequence would have a luminosity of approximately ____________ solar…
A: Given A 2-solar-mass star on the main sequence would have a luminosity of approximately, as…
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: 1. The relative velocities of four stars are shown in the figure below with arrows. If an astronomer…
A: Redshift of a light spectra is the phenomenon when we observe an increase in the wavelength and…
Q: Suppose you observe a tight eclipsing binary with orbital period of 3 days, and radial velocity…
A: 1. Suppose you observe a tight eclipsing binary with orbital period of 3 days, and radial velocity…
Q: Of the following types of stars, the one that has never been and can never be a giant star is a a.…
A: a. Red dwarf 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: 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: 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: Objects in binary systems consist of a neutron star accumulating material from another star on its…
A: Answer:b) X-ray bursters. X-ray bursters are basically are one class of X-ray binary stars…
Q: Polaris is an F7 star. Which of the following spectral types is slightly cooler than Polaris? A.…
A:
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: 51 Pegasi" is the name of the first normal star (besides the Sun) around which a planet was…
A:
Q: Star clusters are important to our study of stars because a. all stars formed in star clusters.…
A: A star cluster is a group of stars that share a common origin and are gravitationally bound for some…
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: Which of the following WOULD NOT characterizes the type(s) of star we would find at g, m, n, o, and…
A: The Hertzsprung-Russell (H-R) diagram is a graph that plots the luminosity (or absolute magnitude)…
Q: When a mass is transferred through the inner Lagrangian point in a binary system toward a white…
A: Option A is correct answer
Q: The Sun is a G2 star. Which of the following spectral types is slightly hotter than the Sun? O A. 03…
A: Spectral types Temperature (K) O3 >55,000 K0 5240 A1 9330 F2 7050 M9 <2700
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: How high or low a star is on the main sequence is dictated primarily by ... Select one: A. its…
A: Answer: A high or low a star is on the main sequence is dictated primarily is discussed below:
Q: 21. Giant or Nebula Supergiant Stars Small or Medium- sized Star 22. Red Giant Star 23. 24. White…
A: 21 Pro star 23 Plantery nebula 22 Super nova 24 black hole
Q: What changes occur in the temperature and size of a Sun-sized star as it goes through its life…
A: Main sequence: Sun like stars in main sequence are in thermal equilibrium and they obtain energy…
Q: Match each characteristic below to the appropriate stellar end state. (Select W-White dwarf,…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: Assume that when a certain main sequence star becomes a giant gas, its luminosity increases from L…
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: 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: A group of 10 to 100 stars that formed at the same time but are so widely scattered in space their…
A: Before answering, We will discuss each of the given options. 1) Globular cluster - Globular…
Q: The hydrogen lines in spectral type A stars a. are most narrow for supergiants. b. are most…
A: From the H-R diagram we know that hydrogen lines in spectral type A stars are most narrow for…
Q: Indicate whether the following statements are true or false (Select T-True, F-False. If the first is…
A:
Q: The type of star that does not currently exist because our universe is not old enough is a a. red…
A: The death of a star depends upon the matter it contains.
Q: When the earth’s sun would die, it would change into a ____________ a) Supernova b) Nebula c)…
A: Our sun is a medium-mass star in the universe. Thus, when it would die, it would swell up into a red…
Q: Indicate whether the following are properties of Type Ia or Type II supernovae. (Select 1-Type Ia,…
A:
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