Astronomy Quiz Chapter 20 &21

This is astronomy quiz that I have made of myself. I'm using it to study for my test that I have coming up. I believe this will help me out more than anything else.

Can you complete this quiz? I think you can. Are you ready to enter the world of astronomy? Are you ready to pull out all of that information that has been stored away forever? Good.

Created by: Channon

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  1. A star will evolve "off the main sequence" when it uses up
  2. On the main sequence, massive stars
  3. Compared to other Stars on the H-R diagram, red-giant stars are so named because they are
  4. When the Sun is on the red-giant branch, it will be found at the
  5. After the core of a Sun-like star starts to fuse helium on the horizontal branch, the core becomes
  6. If the evolutionary track in Overlay 3, showing a Sun-like star, were instead illustrating a significantly more massive star, its starting point would be
  7. A white dwarf is supported by the pressure of tightly packed
  8. When the Sun leaves the main sequence, "Red Giant on the H-R diagram" it will become
  9. A star like the Sun will end up as a
  10. Compared to the Sun, stars plotted near the bottom left of the H-R diagram are much
  11. A white dwarf can dramatically increase in brightness only if it
  12. A nova differs from a supernova in that the nova
  13. Which of the following stars will become hot enough to form elements heavier than oxygen?
  14. A massive star becomes a supernova when it
  15. An observable supernova should occur in our Galaxy about once ever
  16. Which one of the following does not provide evidence that supernovae have occurred in our Galaxy?
  17. Nuclear fusion in the Sun will
  18. Most of the carbon in our bodies originated in
  19. The silver atoms found in jewelry originated in
  20. Flat disk of matter spiraling down onto the surface of a neutron star or black hole.
  21. ______is the path on the H-R diagram corresponding to the changes that a star undergoes after helium burning ceases in the core.
  22. The endpoint of the evolution of a low-mass star.
  23. A supernova where a white dwarf in a binary-star system can acrete enough mass that it cannot support its own weight. Otherwise known as Type I supernova
  24. A supernova where a white dwarf in a binary-star system can acrete enough mass that it cannot support its own weight. Otherwise known as Type I supernova
  25. __________ is the max possible mass of a white dwarf, 1.4 solar masses.
  26. A highly evolved stellar core rapidly implodes and then explodes. Also known as a Type II supernova.
  27. The energy burning stage in which helium is produced by hydrogen fusion in the central region of the star.
  28. The pressure produced by the resistance of electrons to further compression once they are squeezed to the point of contact.
  29. The formation of heavy elements by the capture of a helium nucleus.
  30. An explosive event in the post-main-sequence evolution of a low-mass star.
  31. Region of the H-R diagram where post-main-sequence stars again reach hydro-static equilibrium. Helium in core and hydrogen in shell.
  32. Fusion of hydrogen in a shell that is driven by contraction and heating of the helium core.
  33. The point on the H-R diagram for a cluster of stars which tells the clusters age. Where stars are beginning to evolve off.
  34. The primary mechanism by which very massive nuclei are formed in the violent aftermath of a supernova.
  35. A star the suddenly increases in brightness then slowly fades back to original luminosity.
  36. The ejected envelope of a red-giant star, spread over a volume roughly the size of our solar system.
  37. The section of the evolutionary track of a star corresponding to intense hydrogen shell burning, which drives a steady expansion and cooling of the outer envelope of the star.
  38. An imaginary surface around a star
  39. The formation of heavy elements by fusion of lighter nuclei in the hearts of stars.
  40. The section of the evolutionary track of a star corresponding to changes that occur just after hydrogen has depleted in the core, and core hydrogen burning ceases.
  41. Explosive death of a star, caused by Type I or Type II supernova.
  42. The scattered glowing remains from a supernova that occurred in the past.

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