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What is the connection between how the dark matter was produced in the earlyuniverse and how we can detect it today? Where does the WIMP miracle come from,and is it really a "WIMP" miracle? What brackets the mass range for thermalrelics? Where does <\sigma v> come from, and what does it mean? What is thedifference between chemical and kinetic decoupling? Why do some people thinkthat dark matter cannot be lighter than 40 GeV? Why is b\bar b such a popularannihilation final state? Why is antimatter a good way to look for dark matter?Why should the cosmic-ray positron fraction decline with energy, and why doesit not? How does one calculate the flux of neutrinos from dark matterannihilation in a celestial body, and when is that flux independent of the darkmatter pair-annihilation rate? How does dark matter produce photons? Read theselecture notes, do the suggested 10 exercises, and you will find answers to allof these questions (and to many more on what You Always Wanted to Know AboutDark Matter But Were Afraid to Ask).

TASI 2012 Lectures on Astrophysical Probes of Dark Matter