Learning Outcomes

In this free course, you will learn how to:

• Explain the concepts of the celestial pole, solstices and equinoxes
• Compare the perihelion and aphelion
• Analyze the sidereal hour angle (SHA) and declination of bodies
• Describe twilight and the Earth-Moon system
• Recall eclipses and the conditions required for them to occur
• Recognize the angular measures of GHA, LHA and SHA
• Explain how the right ascension is measured in units of time
• Discuss the rational horizon, zenith and nadir
• Identify and apply elevated pole and depressed pole calculations
• Describe true altitude, azimuth and true zenith distance