of a star occur

Q: Describe how a star froms. What would happen to a star the size of our Sun once it runs out of…

A:

Q: Nuclear fusion occurs during most of a star's life O True False

A: Answer :- ---------- True  Nuclear fusion occurs during most of a stars life. Because  It is the…

Q: Fill in the diagram below that shows the Life Cycle of Stars. Use the words in the box to complete…

A: The complete diagram is shown below:

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: Which elements are created in stellar nucleosynthesis? (Select all that apply) - oxygen - helium…

A: Among the elements listed, hydrogen and helium were created during big band and the rest of the…

Q: Put the steps of the life cycle of a star in order.

A: Required :  Steps involved in star cycle.

Q: Describe what the main differences that can occur between the life cycles of a Sun- sized star and a…

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Q: Describe the entire life of a very large star.

A: The life cycle of the very large star is illustrated in the diagram shown below:

Q: A star with a radius three times that of the Sun and a surface temperature twice that of the Sun,…

A: 144

Q: Describe the forces acting on a star during the main sequence period of its life?

A: A star has its gravity, and due to the hot core of a star, it creates pressure within the gas. Two…

Q: mass–luminosity relation

A: The Answer to the above statement can be outlined as follows:-

Q: What size star is the sun? O supergiant O medium O giant O white dwarf

A: The sun size is about 696340 km in radius and it's mass is 1.989*10^30 kg.

Q: Match the stars to their typical lifetimes on the main sequence. O Instructions 15 solar masses 1…

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Q: 1141|1 Section Three - Understanding Main Ideas Low Mass Star Dust C. --0- 1. Red giant 2. Protostar…

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Q: Pls help ASAP. Pls show all work.

A: Given context: Life cycle of Low mass star: A low mass star life starts from a "Zero-Age Main…

Q: The mass-luminosity relation describes the mathematical relationship between luminosity and mass for…

A:

Q: ars originate as large bodies of slowly rotatin8 gas. Because of gravity, these clumps of gas sowly…

A: A: conservation of angular momentum : if the net torque acting on the system is zero, then the total…

Q: What causes a star to move off the main sequence?

A:

Q: Rank these astronomical objects based on their density, from smallest to largest.   A) the…

A: The given astronomical objects are a) the singularity of a black hole b) a main sequence star c) a…

Q: A star with an original mass of 9MSun undergoes an active period where it experiences mass loss via…

A: Given data: Mass of the star, Mstar=9Msun Time, t=1.1 million years = 1.1×106 years New mass,…

Q: Why is it, that a star which uses up the hydrogen in its core, swells to enormous size and changes…

A: Required : Why does a star which uses up the hydrogen swells to enormous size and changes color.

Q: Stars of the same spectral type have the same: absolute magnitude number temperature luminosity

A: two stars with identical spectra have the same intrinsic luminosity

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: thee evolution of a star is determined uniquely by its -------- and ----- a. size , destiny b.…

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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: What changes occur in the temperature and size of a Sun-sized star as it goes through its life…

A: As the star goes through its final stage of life cycle following thing happens  We know that it…

Q: mass

A: The evolution is affected by mass exchange in the binary. The higher mass  Star use to be the lower…

Q: Consider three main sequence stars: Star A is 14,500 K, Star B is 2,900 K, and Star C is 5,500 K.…

A:

Q: If an open cluster contains 500 stars and is 25 pc in diameter, what is the average distance between…

A: A globular cluster is a spherical collection of stars that orbits a glalactic core. Globular…

Q: What is the life expectancy (in years) of a 10 M⊙ main-sequence star? What is the life expectancy…

A: Required : The life expectancy of stars.

Q: A cloud of dust and gas where a star begins to form: A. Stellar nebula B.  Planetary nebula C.…

A: To determine a cloud of dust and gas where a star begins to form

Q: Put in order the path a star takes when it starts out as a "less massive" protostar. Less massive…

A: The life cycle of a star is determined by its mass. The heavier is the mass of star, the shorter…

Q: Why does lower mass star live longer that a higher mass star

A: Lower mass star is those stars which have more number of a hydrogen atom in themselves as compared…