READING: Chapter 3; Chapter 4, just pages 45- 49.

Topics you should know and understand for Quiz #3 (not necessarily a complete list)

1) DEFINITIONS: Brown Dwarfs; Planetary Migration; Interstellar Matter (Interstellar Medium); Molecular Clouds; Cyanopolyynes; Benzene; Polycyclic Aromatic Hydrocarbons (PAHs); Luminosity; Albedo; Greenhouse Effect; Habitable Zone; Continuously Habitable Zone; Magnetic Dynamo; Differentiation; Sublimation; Albedo; Covalent Bond; Ionic Bond; Hydrogen Bond; DNA; Deoxyribose Sugar; Phosphoric Acid (Phosphate); Phosphodiester Bonds; Adenine; Cytosine; Guanine; Thymine; Uracil; Nucleotide.

2) OTHER THINGS YOU SHOULD KNOW: The types of interstellar clouds; angular momentum conservation; How solar systems form; Why the planets orbit the Sun in the same direction in about the same plane; How an approximate rate of star formation in the Milky Way is determined; How the Greenhouse Effect works; The evidence for plate tectonics; What causes plate tectonics; What causes the seasons on Earth; What a hydrogen bond is; The three types of molecules that make up a DNA molecule, and where they are in a DNA molecule, relative to the other types of molecules (i.e., in the rungs or the strand); In a DNA molecule, which bases connect, and what kind of bond connects the bases.