f an open cluster contains 350   stars and is 48 pc in diameter, what is the average distance between the stars? On average what, share of the volume of the cluster surrounds each star?

Q: a) Calculate the period of the solar system's orbit around the Milky Way. Assume that we are 8.5 kpc…

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Q: The difference in absolute magnitude between two objects is related to their fluxes by the…

A: The difference in absolute magnitude between two objects is related to their fluxes by the…

Q: If the main-sequence mass lower limit is 0.08 solar mass and the brightest main-sequence stars are 1…

A: The Main Sequence Stars are a mass sequence, with low mass stars forming an equilibrium with a cool…

Q: For a main sequence star with luminosity L, how many kilograms of hydrogen is being converted into…

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Q: An astronomical image shows two objects that have the same apparent magnitude, i.e., the same…

A: Let the luminosity of the star is Ls= LoLuminosity of  Milky Way galaxy, Lm=1011LoLuminosity of…

Q: Using the center-of-mass equations or the Center of Mass Calculator (under Binary-Star Basics,…

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Q: Astronomy) (Part A) White Dwarf Size II. The white dwarf, Sirius B, contains 0.98 solar mass, and…

A: Mass of the dwarf planet = 0.98 solar mass                                          = 1.96 * 1033 gm…

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: Ideas of a content for a vlog which shows the star life cycle, thank you!

A: A star can go through either life cycle (a) if it is an average size star or life cycle (b) if it is…

Q: What are the a) luminosity and b)wavelength of maximum emission for a star with a surface…

A: Given data Temperature of the star, T=2000 K radius of the star, R=108 m

Q: True or False 8. Almost all stars are in binary systems. The book says: "So far you have been…

A: The statement: All stars are in binary systems. The book says: "So far you have been considering the…

Q: The density of Sirius B is 2×106 g/cm3 and its mass is 1.95×1030 kg. What is the radius of the white…

A: The given data are: ρ=2×106 g/cm3=2×109 kg/m3m=1.95×1030 kg Here, ρ and m represent the density and…

Q: Our galaxy is approximately 100,000 light years in diameter and 2,000 light years thick through the…

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Q: If the distance to Star C is 16 pc, what is the value of its distance modulus (m-M)?

A: There are two types of measuring distancing as the 1) Apparent magnitude which indicates how bring…

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: What is the total mass of a visual binary system if the average separation of the stars is 8 AU and…

A: A binary system is formed when two astronomical objects come close enough to start orbiting each…

Q: A distant galaxy has an apparent magnitude of 13 and is 5,000 kpc away. What is its absolute…

A: Apparent Magnitude The apparent magnitude of a star or a galaxy is the measure of how bright the…

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: White Dwarf Size II. The white dwarf, Sirius B, contains 0.98 solar mass, and its density is about 2…

A: It is given that, M=0.98 solar mass=0.98×1.989×1030 kg=1.95×1030 kgρ=2×106 g/cm3=2×106×103…

Q: Draw a figure of the growth rate of a star in the unit of ?⊙/yr as a function of the temperature of…

A: As we know that the unit growth rate is equal to M⊙yr Here, M⊙ is the mass of the sun and we have…

Q: Calculate by how many times Betelgeuse is brighter than the Sun, if its parallax is 0.006 arcsec,…

A: The objective of the question is to calculate how much brighter Betelgeuse is compared to the Sun.…

Q: A young recently formed planet has a surface temperature T = 2000 K and a radius of Rp Jupiter radii…

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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: Using the center-of-mass equations or the Center of Mass Calculator (under Binary-Star Basics,…

A: Given: In this question, the given details are Consider the star 1 has m1=3.4 solar masses, and the…

Q: using the center of mass equations or the Center of Mass Calculator (under Binary Star Basics,…

A: Given: In this question, the given details are, To investigate a specific binary-star system by…

Q: Most stars (Main sequence) generate light through the same mechanism. Because of this, there is an…

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Q: Cluster Sizes. An open cluster is a collection of 10 to 1000 stars in a region about 25 pc in…

A: Write the formula for the open cluster.

Q: An O8 V star has an apparent visual magnitude of +5. Use the method of spectroscopic parallax to…

A: Given: The apparent magnitude of O8 V star is mv = + 5 From the HR diagram, the absolute magnitude…

Q: Calculate the total number density ( ntot ) and the density ( ρ ) at a depth in a star composed of…

A: Given data: The temperature, T=9500 K The atoms are 35% ionised. Here as given, The energy,…