What is the nadir direction?

Nadir describes the direction below a particular location, opposite the Zenith direction. Nadir-pointing is the action of pointing directly below the satellite perpendicular to Earth.

What constellation is located at the nadir?

constellation Ursa Minor
The NCP is in the constellation Ursa Minor (the Smaller Bear) close to the direction of the star Polaris, otherwise called the North Star.

What does nadir mean?

Definition of nadir

1 : the point of the celestial sphere that is directly opposite the zenith and vertically downward from the observer. 2 : the lowest point.

How far below the horizon is the nadir?

The point on the celestial sphere that is directly below the observer (90 degrees below the celestial horizon ).

What is zenith nadir?

nadir, a term used in astronomy for the point in the heavens exactly opposite to the zenith, the zenith and nadir being the two poles of the horizon. That is, the zenith is directly overhead, the nadir directly underfoot.

What is the altitude of the nadir?