As a star becomes a giant, its outer layers are expanding and the pressure consequently drops in the outer atmosphere. Where does the energy for expanding these layers come from? O from a magnetic dynamo effect in the star's outer layers, caused by a much stronger magnetic field inside the star O from the fusion of hydrogen into helium in a shell around the core O from an explosion in the core O from the fusion of helium into carbon in the core from the long-term fusion of hydrogen into helium in the core

As a star becomes a giant, its outer layers are expanding and the pressure consequently drops in the outer atmosphere. Where does the energy for expanding these layers come from? O from a magnetic dynamo effect in the star's outer layers, caused by a much stronger magnetic field inside the star O from the fusion of hydrogen into helium in a shell around the core O from an explosion in the core O from the fusion of helium into carbon in the core from the long-term fusion of hydrogen into helium in the core

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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QUESTION 8 Which of the following will occur to our Sun at some point in the future? (Select all that apply) The sun will explode as a supernova The core of the sun will become a white dwarf The core of the sun will become a neutron star The core of the sun will become a black hole V The sun will become a red giant
Stars found on the main sequence of a Hertzsprung-Russell diagram share certain features not shared by other stars. What are these features? A Stars on the main sequence of the Hertzsprung-Russell diagram are all roughly the same radius. Stars on the main sequence of a Hertzsprung-Russell diagram do not produce heavy elements like iron. Stars on the main sequence of the Hertzsprung-Russell diagram have an orderly arrangement of stellar masses, decreasing in mass from lower right to upper left. Stars on the Hertzsprung-Russell diagram main sequence have roughly the same age. Stars on the main sequence of a Hertzsprung-Russell diagram all generate energy from nuclear fusion. B D E F) None of the mentioned choices. 4
Describe the reaction that powers the sun during its main sequence lifetime. Be sure to include the basic ingredients and the basic products.
Calculate the size of a star if its surface temperature is 6000 K and has a power output of 5.6 x 1026 W.
The sun will eventually cease fusing nuclei in it interior and will then be dead what general term is used to describe dead but still illuminus stars when the star becomes such a star name two kinds of of nuclei that are expected to dominate its core as a result of the nuclear fusion that has taken place prior to its death
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The energy in the Sun currently is provided by a process that combines two hydrogen atoms to form one helium atom. In a few billion years, the Sun will begin a process combining three helium atoms into one carbon atom. This will cause the Sun to expand and cool to a red color becoming a red giant. What process will the Sun perform when it becomes a red giant? O synthesis O combustion O fusion O fission
How would the interior temperature of the Sun be different if the strong force that binds nuclei together were 10 times as strong?
a star with a radius of 12 that of the sun but a surface temperature of 0.5 times that of the sun be more or less luminous than the sun surface area is A=4 pie r ^2
As a cluster of stars begins to age, which type of star in the cluster will move off the main sequence of the H-R diagram first? 1) all the stars in a cluster are born at the same time; so they will all move off the main sequence at the same time, as they evolve 2) G type stars, like our Sun 3) M type stars, which are the coolest 4) the lowest mass stars, which have the least amount of fuel for fusion 5) the O and B type stars
Sun-like star transitions into a Red Giant __________. Group of answer choices after the planetary nebula stage once carbon burning ends in the core During the T-Tauri phase before and after the helium flash
Hertzsprung-Russell Diagram Blue or blue-white White Yellow Red-orange Red O Rigel Superglants Belelgne Main Sequence Alder Glants Suno Alpho Coun Sinus 8 White Dwarfs 50,000 20,000 6,000 5,000 3,000 10,000 Surface Temperature () Would the surface temperature of the stars classified as white dwarfs be generally higher or lower than that of the stars classified as giants? O higher O lower 29 30 31 32 33 34 35 36 37 38