Assignment:
Q1: Describe three kinds of radiation emitted by radioactive materials. Describe what eventually happens to each kind of radiation after it is emitted.
Q2: Technically speaking, what is wrong with calling a rock that strikes the surface of the Moon a meteorite? Again speaking technically, what should you call a rock that strikes the surface of the Moon or any planet other than Earth? Explain.
Q3: What does the color of a star indicate about the surface temperature of the star? What is the relationship between the temperature of a star and the spectrum of the star? Finally, describe in general the spectral classification scheme based on temperature and stellar spectra.
Q4: Describe the internal structure of Jupiter and Saturn and explain the planetary rings.