1. Introduction

1.0 Objectives

  1. Define planets, moons, stars, nebulae, galaxies
  2. Use SI units and astronomical units (but don't remember their values), and use powers of 10
  3. Describe regions of the electromagnetic spectrum, wavelength, frequency
  4. Describe different types of instrumentation used in astronomy
  5. Calculate parallax, distance, flux, luminosity, magnitude extinction

1.1 Types of objects in the Universe