Exploring Alt Az in Astronomy

What are the two coordinates used to describe the position of a star?

• Elevation and Bearing

• Latitude and Longitude

• Declination and Right Ascension

• Altitude and Azimuth

What value is assigned to the horizon when measuring altitude?

• -90 degrees

• 0 degrees

• 90 degrees

• 100 degrees

At what degree is the zenith located when measuring altitude?

• 0 degrees

• 90 degrees

• 180 degrees

• 45 degrees

How is altitude measured for a star below the horizon?

• From 90 to 180 degrees

• From 90 to 0 degrees

• From 0 to positive values

• From 0 to negative values

Where does the measurement of azimuth start?

• Due north

• Due west

• Due east

• Due south

What is the azimuth degree at due east?

• 90 degrees

• 0 degrees

• 180 degrees

• 270 degrees

What is the azimuth degree at due south?

• 270 degrees

• 180 degrees

• 360 degrees

• 90 degrees

Which system is often referred to as horizon coordinates?

• Equatorial system

• Ecliptic system

• Altitude-Azimuth system

• Galactic system