zero = horizon
False.
false
An object seen halfway between the horizon and the zenith has an altitude of 45 degrees.An object seen due east of the observer has an azimuth of 90 degrees.
The point on the horizon that is due west has an altitude of zero and an azimuth of 270 degrees.
zero = horizon
66.5 degrees
Almost . . ."Altitude" is the apparent angle of the object above the horizon.
false
90 degrees
False.
The star is at an altitude of 15 degrees above the horizon at midnight.
An object seen halfway between the horizon and the zenith has an altitude of 45 degrees.An object seen due east of the observer has an azimuth of 90 degrees.
it's 23 degrees below the horizon; you won't see it.
Polaris will be 23.5 degrees above the northern horizon when viewed from the Tropic of Cancer.
It's about 66.5 degrees above the northern horizon.
The point on the horizon that is due west has an altitude of zero and an azimuth of 270 degrees.