Physics

Physics, 14.07.2019 05:30, LilLappyLOL

The sun will become a red giant in a few million years after it is done fusing helium into carbon true or false

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Physics, 08.08.2019 22:10, trietvo112200

Arrange the following stars in order of their evolution: a star with no nuclear reactions going on in the core, which is made primarily of carbon and oxygen. a star of uniform composition from center to surface; it contains hydrogen but has no nuclear reactions going on in the core. a star that is fusing hydrogen to form helium in its core. a star that is fusing helium to carbon in the core and hydrogen to helium in a shell around the core. a star that has no nuclear reactions going on in the core but is fusing hydrogen to form helium in a shell around the core.

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Geography, 21.08.2019 02:10, sheccidmariscal9428

What is the defining characteristic of a main sequence star? o it is fusing hydrogen into helium in its core. o it is fusing helium into carbon in its core. o there are no longer any fusion reactions in its core.. o it is yellow.

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Physics, 22.09.2019 17:00, asteinberg6975

When a low-mass star runs out of helium to fuse into carbon, what will it do? start fusing carbon into other elements die and form a planetary nebula die and go supernova grab material from a red giant and form a nova . 3 points question 6 the sun will become a red giant in a few million years after it is done fusing helium into carbon. true false . 2 points question 7 the sun is considered a main-sequence star, because it is still fusing hydrogen into helium. true false . 2 points question 8 main sequence stars have decreasing brightness with temperature. true false . 2 points question 9 an hr diagram plots a star’s luminosity and surface temperature. true false . 2 points question 10 the graph that shows the differences in stars’ temperatures, magnitudes, and stages in life cycles is called what? heismann-rudolph diagram hertzprung-russell diagram einstein-newton diagram henderson-hasselbach diagram been stuck on these for 2 days

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Physics, 18.10.2019 10:30, delaneynagle3368

What nuclear reaction is the energy source of a white dwarf? a. carbon and helium fusing into oxygen b. none c. helium fusing into carbon d. hydrogen fusing into helium e. oxygen fusing into silicon

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