In the star clusters shown, which one is younger and why?
Q: Star A and Star B are both on the main sequence. Star A is 74 times more luminous than Star B. What…
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Q: Using the Hertzsprung-Russell diagram above, rank each of the stars shown according to: luminosity,…
A: We know that the star with lower absolute magnitude will have higher luminosity (from the definition…
Q: All of the single red-dwarf stars that ever formed are still on the main sequence today. (T/F)
A: Main sequence stars are those which are fusing hydrogen to helium in their cores. Almost 90% of the…
Q: 3) indicate which locations in the H-R diagram correspond to places where the evolution is slow.…
A: Using the H-R diagram shown the places where the evoultion has been slow is identified.
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: Stars in the outskirts of a globular cluser are about 43 light years from the cluster's center, and…
A: Answer: Detail solution in below.
Q: Put the steps of the life cycle of a star in order.
A: Required : Steps involved in star cycle.
Q: For a main sequence star with luminosity L, how many kilograms of hydrogen is being converted into…
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Q: We observe a star that is dstar away. How much extinction would there need to be (i.e., what must…
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Q: If a globular cluster contains 1 million stars and is 25 pc in diameter, what is the average…
A: The diameter of the globular cluster is d= 25 pc. Number of stars contain by the open clusters n= 1…
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: Describe the relationship between the concept of hydrostatic equilibrium and the interior structure…
A: On each and every star in the astrophysics, there are always two forces acting. The first force is…
Q: Which star in the table below has the least surface temperature? Star Name d (parsecs) Parallax…
A: Since, distance of the star in terms of Parallax is, d=1parallax (in arc-sec)parsecs Now from…
Q: How is the turnoff point on the H-R diagram of a cluster related to the cluster’s age?
A: Given:- The turnoff point on the H-R diagram of a cluster related to the cluster’s age Explain:- How…
Q: If a globular cluster contains 2 million stars and is 28 pc in diameter, what is the average…
A: This problem can be solved by first calculating the average volume reserved for one star and then…
Q: Consider two different clusters with approximately the same turnoff luminosity. Cluster A has a main…
A: Given two clusters A and B on the H-R diagram (which is a plot between the luminosity and…
Q: Consider two stars on the main sequence, A and B. Star A has a mass of Мо Star B has a mass of 0.2…
A: Solution attached in the photo
Q: Consider the colour-magnitude diagrams for the three stellar clusters in the image below. Which of…
A: The given data is made using a B-V filter. It is a blue filter that only allows blue wavelength and…
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: 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: 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: Main sequence star A is 5 times as massive as main sequence star B. How do the main sequence…
A: Main sequence stars are those which fuse hydrogen atoms in their core to form helium. They have a…
Q: If the hottest star in the Carina Nebula has a surface temperature of 51,000 K, at what wavelength…
A: Concept: "The Wien's displacement law states that the wavelength carrying maximum energy is…
Q: Consider three main sequence stars: Star A is 12000 K, Star B is 6000 K, Star C is 3000 K. What are…
A: Given, Star A = 12000 K temprature Star B = 6000 K temprature Star C = 3000 K temprature So the…
Q: If an open cluster contains 450 stars and is 21 pc in diameter, what is the average distance between…
A: Given Number of stars in an open cluster (n) = 450 Diameter of the cluster Dclu = 21 pc…
Q: If a globular cluster contains 2 million stars and is 30 pc in diameter, what is the average…
A: A Globular cluster is a cluster of old stars, only a few years younger than the Universe itself…
Q: The star Firefly is located 3.0 pc away. If it had an absolute magnitude of 13.0, which value below…
A: Write the given data. d=3AbsM=13
Q: Star A and Star B are both on the main sequence. Star A is 63 times more luminous than Star B. What…
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Q: The sketch below shows an H-R diagram for a star cluster. Consider the star to which the arrow…
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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: The mass-luminosity relation describes the mathematical relationship between luminosity and mass for…
A: Given,mass =4M⊙ Note: We’ll answer the first question since the exact one wasn’t specified. Please…
Q: Calculate the gravitational energy released by the Sun.
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Select all of the statements about the main sequence stage in the life of a star that are TRUE:…
A: The statements about the main sequence stage in the life of a star that are TRUE: All stars spend…
Q: Part A Whie a roher is working on a roel that slants at 39.0 above the horortal he aocidentally…
A:
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: Match the spectral type and luminosity class to the letters shown on the Hertzsprung-Russell diagram…
A: Luminosity is directly proportional to the size of the star. On the basis of temperature and their…
Q: Consider the following question: How many times bigger than the sun would a cool star (4000K) have…
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Q: The main-sequence age of a star of 1M⊙ is about 1010 years. What is the main-sequence age of a star…
A: Answer the following question is
Q: As a cluster of stars begins to age, which type of star in the cluster will move off the main…
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Q: Sun-like star transitions into a Red Giant __________. Group of answer choices after the planetary…
A: Solution Given dataSun like star transitions into a Red Giant ..........Which option is correct…
Q: Place the following events in the formation of stars in the proper chronological sequence, with the…
A: The question can be solved as follows
Q: Zebulon is a binary star system composed of a 10 M sun main sequence star and a 1 M sun red giant.…
A: Zebulon is a binary star system composed of a 10 M sun main sequence star and a 1 M sun red giant.
Q: the Sun?
A: Given: To explain the star which is white supergiant star also brightest and hottest than the Sun…
Q: mass
A: The evolution is affected by mass exchange in the binary. The higher mass Star use to be the lower…
Q: You observe two randomly chosen stars 10,000 lightyears from Earth. One is in the disk of the Milky…
A: In this question we have to observe two randomly chosen stars 10,000 lightyears from Earth. One is…
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