Allison941 Allison941

15-09-2014
Chemistry

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10. When a sunlike star’s hydrogen runs out, at first it expands into __________. a superg a white dwarf a star similar to our sun a red giant

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15-09-2014

When a sunlike star's hydrogen runs out, at first it expands into a red giant.

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ariston ariston

26-03-2019

Answer: a red giant

Explanation:

When a sun-like star having average mass runs out of fuel-hydrogen, its atmosphere expands and the star becomes a red-giant star. The star would leave the main-sequence stage and enter the red-giant stage in which the pressure of the core is high which pushes the atmosphere outwards and thus the star expands. The pressure also leads to fusion of higher nuclei. The end stage of such a star would be formation of a white dwarf. A heavier star becomes a super-giant, goes supernova and forms a neutron star or a black-hole.

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