Discussion questions - n. Evidence is strong that the formation of the Sun (and its family of planets) happened by the same processes as the formation of stars. Explain. o. How are planets detected around other stars? p. Did the Sun and solar system form in the first half or last half of our galaxy's history? Explain. (Please reply in your own words, if possible)

discussion questions - f. Which is hotter, Mercury or Venus? Why? h. Explain why there are two general families of planets, rocky terrestrial and gaseous jovian. j. What knowledge do comets and asteroids provide to studies of the origin of the solar system?

Light is one form of electromagnetic radiation... - a. Light is one form of electromagnetic radiation. What are electromagnetic waves and what other types are there besides light? Compare their wavelengths. b. How can the temperature, composition, and motion of an object be determined from its light spectrum? (Please explain in simple terms, if possible)

The Big Bang theory of cosmology and its evidence. - What observational evidence supports the Big Bang theory of cosmology? Explain.

Why do astronomers infer that the Sun's energy comes from nuclear fusion reactions... - c. Why do astronomers infer that the Sun's energy comes from nuclear fusion reactions? How do we know it does not come from chemical burning? d. Explain how the Sun produces energy by nuclear fusion. e. When we look at stars in the sky we see a wide range of brightness. Explain the factors that would make o...