Assignment 23 Light, Astronomical Observations and the Sun, science homework help

Assignment 23
Light, Astronomical Observations and the Sun


Questions to Answer:

  1. List and describe the three different types of spectra.
  2. What phenomenon do astronomers use to determine whether a star is moving toward or away from Earth?
  3. List and briefly describe the four major layers of the Sun.
  4. What process is the source of the Sun’s energy?

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