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33 degrees perpendicular to the horizon
There is still light reflecting off the earth's atmosphere after sunset. Officially, twilight ends at 18 degrees below horizon, when it is completely dark, although at 15 degrees it is dark enough!
The Sun advances 15 degrees an hour; that is, 15 degrees every 60 minutes. You can base your calculations on that. If you live near the equator, after sunset the Sun will move directly downwards; if you live at higher latitudes, for example in Europe, the Sun moves at an angle, so while it will still move (for example) 15 degrees in an hour, it will not be 15 degrees below the horizon.
If the sun is 40 degrees above the horizon, a 5-ft person casts a shadow 5ft 11.5in long (rounded)
It is not particularly high but it may be the highest that it can get - depending on the observer's latitude.
Squad echelon right
Squad echelon right
Squad echelon right or left formation.
The meridian is an imaginary line that runs from north to south directly above your head. It divides the sky into eastern and western halves, with celestial objects crossing it when they are at their highest point in the sky.
The altitude of the horizon is 0 degrees. This is because the horizon is considered to be at eye level, so it is equivalent to the observer's horizontal line of sight.
The celestial pole that is 45 degrees above the horizon is located at a latitude of 45 degrees. This means that an observer at this location would see the celestial pole positioned halfway between the horizon and the zenith.
66.5 degrees
If the horizon is on a level line of sight, a vertical line directly above the observer forms an angle of 90 degrees. 55 degrees would be quite high, being above 45 degrees.
At zero degrees altitude, you would be at ground level or sea level. This position marks the horizon line where the sky meets the Earth.
The angle between the northern horizon and the North star Polaris at a latitude of 75 degrees north is 15 degrees. Polaris is positioned 90 degrees above the northern horizon at the North Pole (90 - 75 = 15 degrees).
No, 56 degrees above the horizon isn't "low". "Low in the sky" is less than 20 degrees elevation or so.
Looking toward the north, the ray from you through the point 70 degrees above the horizon. 90 degrees would be directly overhead.Notation such as this is used to announce sightings of the International Space Station, for example: