What can we learn about a star from a life track on an H-R diagram? B) The most massive stars usually end up as black holes or neutron stars. The core contracts …
Question 3 1 pts Which of the following statements about the main sequence stage in the life of a star is FALSE? late in life fuse carbon into heavier elements. the sun is an example. Tags: Question 13 . 20.
O O the core of this star will be too massive to form a white dwarf before the star dies, it will fuse dozens of elements in its core as the star is dying, a considerable part of its mass will be lost into space after the main sequence stage, there is no further fusion of hydrogen anywhere in the star at the end of its …
True False 6. This destabilizes the core of the star as the star begins to feels the shortage of hydrogen gas .
protostar, main-sequence, red giant, white dwarf .
when the rate of hydrogen fusion within the star's core is high enough to sustain gravitational equilibrium . answer choices . C) The main sequence lifetime of a high mass star is greater than that of a low mass star. Which stage comes first in the life cycle of a high-mass star? Group of answer choices. White dwarf. Which of the following statements about apparent and absolute magnitudes is true ? Study 74 Chapter 15 flashcards from James D. on StudyBlue.
A star's absolute magnitude and temperature. The aging process of a star is referred to as: answer choices .
Q. Which of the following statements about the life of a star with a mass like the Sun is correct? Main sequence stars fuse hydrogen atoms to form helium atoms in their cores.
Star X is spectral type A, while Star Y is spectral type G. Star X must be more massive than Star Y. “Clouds” in space can begin as what? ... Two stars both lie on the main sequence, Star X is spectral type A, while Star Y is spectral type G. Therefore, Star X is more massive than star y. What will happen to the star after stage viii? Main sequence stars are stars that are fusing hydrogen atoms to form helium atoms in their cores. During which stage does the star have an inert (nonburning) carbon core?
Most of the stars we see are main-sequence stars, and only about 1% are red giants. have higher fusion rate during main sequence life. protostar, main-sequence star, red giant, planetary nebula, white dwarf An H-R diagram for a globular cluster will show a horizontal branch—a line of stars above the main sequence but to the left of the subgiants and red giants. About 90 percent of the stars in the universe, including the sun, are main sequence stars.
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viii. Which of these statements best describes the main sequence stage of a star’s life? As the star reaches the main sequence star stage, the hydrogen gas in its core is converted into helium due to the nuclear fusion. B.After the main sequence stage, there is no further fusion of hydrogen anywhere in the star. all stars spend the majority of their lives in the main sequence stage. Which of the following statements is false? it will eject a planetary nebula. True False 7. If a white dwarf adds material from a nearby red giant, the result is a black hole supernova nova 5. A.As the star is dying, a considerable part of its mass will be lost into space. True .
Temperatures and pressures in the core of the star can ignite nuclear fusion, converting hydrogen atoms into helium. - The absolute magnitude of a star is dependent upon its luminosity.
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