Podcast
Questions and Answers
What is the hour angle?
What is the hour angle?
- The number of degrees between the local meridian and the sun's meridian (correct)
- The azimuth angle of the sun
- The number of degrees between the sun and the moon
- The altitude angle of the sun
When does the hour angle have positive values?
When does the hour angle have positive values?
- In the morning before the sun crosses the local meridian (correct)
- At midnight
- At solar noon
- In the afternoon
What does a positive azimuth angle indicate?
What does a positive azimuth angle indicate?
- Sun at solar noon
- Sun in the west in the afternoon
- Sun in the east in the morning (correct)
- Sun at midnight
At 2:00 P.M. solar time, what would the hour angle be?
At 2:00 P.M. solar time, what would the hour angle be?
Which angle helps us remember that it is specifically related to the sun's position?
Which angle helps us remember that it is specifically related to the sun's position?
How is the azimuth angle conventionally defined in terms of sun's position?
How is the azimuth angle conventionally defined in terms of sun's position?
What describes the location of the sun at any time of day?
What describes the location of the sun at any time of day?
What factors determine the azimuth and altitude angles of the sun?
What factors determine the azimuth and altitude angles of the sun?
In the provided example, what was the solar declination on the summer solstice?
In the provided example, what was the solar declination on the summer solstice?
How many hours after solar noon was it at 3:00 P.M. in the provided example?
How many hours after solar noon was it at 3:00 P.M. in the provided example?
What is the formula used to calculate the altitude angle in the provided example?
What is the formula used to calculate the altitude angle in the provided example?
What is the calculated altitude angle for the sun in the provided example?
What is the calculated altitude angle for the sun in the provided example?
How is the azimuth angle calculated in the provided example?
How is the azimuth angle calculated in the provided example?
What does a negative azimuth angle indicate in relation to south?
What does a negative azimuth angle indicate in relation to south?
