Biology Forums - Study Force

Nucleosynthesis
 
  a. is the process by which energy is produced at the center of the galaxy.
  b. is the process by which hydrogen and helium are converted into heavier elements.
  c. describes the structure of a globular cluster.
  d. describes how the magnetic field of the galaxy traps cosmic rays.
  e. describes the method by which neutral hydrogen produces 21-cm radiation.

Question 2

Interstellar gas clouds may collapse to form stars if they
 
  a. have very high temperatures.
  b. encounter a shock wave.
  c. rotate rapidly.
  d. are located near main sequence spectral type K and M stars.
  e. All of the other choices are correct.

Question 3

The center of our galaxy lies in the direction of (but far beyond) the stars in the constellation of
 
  a. Ursa Minor.
  b. Ursa Major.
  c. Sagittarius.
  d. Orion.
  e. Monoceros.

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