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The zenith is the direction directly above the observer. The astronomical horizon is the plane that is perpendicular to that direction, i.e. horizontal. The "true horizon", however, is the cone from the observer to the point on the earth, below which you can not "see over", so it is a small amount lower in angle. In practice, the two horizons can be considered to be the same, because the height of the observer is often small in comparision to the diameter of the earth, unless the observer is standing on a tall point, such as a mountain.
What else can I help you with?
What came first the word Horizon or the name given to a horizontal line?
horizon is STUPID
Most plant roots grow in which horizon?
most plants grow in the a-horizon
In a cross section of soil the b horizon consists of?
horizon a= topsoil horizon b= subsoil i think horizon c im not sure of and then bedrock
Distance to the earth's horizon?
The distance in kilometers to the horizon is the square root of (13 X observers height in meters) so for a 1.8 meter person standing on the seashore the horizon is about 5 km away. For someone on a jet at 10,000 meters the horizon is 360 km away.
How do measurements relate to experimental science?
How does measurements relate to experimental science
What is the definition of zenith?
The highest point. It is used especially about the position of the sun; when the sun is at its zenith, it is as far from the horizon as it gets. At the equator, when the sun is at the zenith, it is right overhead.
What is the difference between zenith and horizon?
The zenith is the point directly overhead in the sky, while the horizon is the line where the sky appears to meet the Earth. The zenith is the highest point above an observer, while the horizon represents the farthest visible point on the Earth's surface.
How many moon diameters is it from the horizon to the zenith?
Apparent (visual) diameter of the [full] moon . . . . always near 1/2 degree. Angle from horizon to zenith . . . 90 degrees . . . roughly 180 apparent moon diameters.
What is the opposite of horizon?
In astronomy zenith (the point in the sky exactly above you) is the point most distant from the horizon. As a horizon defines how far down the sky you can look, zenith defines how high up you can look.
What word is picture a mountain peak a good way to remember the definition?
"Picture a mountain peak" is a good way to remember the definition for zenith.
How high does the sun get on the spring equinox on the equator?
90 degrees above the horizon (the zenith).
What is the correct term Zenith is the angle between an object and the horizon?
If I understand the question, then it includes a false statement.The angle between an object and the horizon is the object's 'elevation' angle.'Zenith' is a point in the sky . . . the point directly over your head, whoseelevation angle is 90 degrees regardless of which direction you're facing..
From the horizon to the observer's zenith is an angle of?
30 degrees for observers at a latitude of 30 degrees north
What is the great circle passing through the south point on the horizon the zenith and the north point on the horizon is called?
The great circle passing through these points is called the meridian. It is an imaginary line that runs from the north celestial pole to the south celestial pole, passing through the zenith (overhead point) and intersecting the horizon at the north and south points.
What are the altitude and azimuth of a star halfway between the horizon and zenith to the due east?
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 great circle passing through the south point on the horizon the zenith and the north point on the horizon is called the?
its the celestial sphere, Mr. Smith taught me that today, smart man!
How do you determine the meridian in the local sky?
The meridian in the local sky can be determined by finding the line that runs from the due south point on the horizon, through the zenith (the point directly above you), to the due north point on the horizon. It is the line that divides the sky into eastern and western halves, with the highest point being the zenith.
