Horizon vs. Sunset: What's the Difference?

Horizon and Sunset Definitions
Horizon
The apparent intersection of the earth and sky as seen by an observer. Also called apparent horizon.
Sunset
The event or time of the disappearance of the upper circumferential edge of the sun as it sets below the horizon.
Horizon
See sensible horizon.
Sunset
The sky as the sun sets
A rosy sunset.
Horizon
See celestial horizon.
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Sunset
A decline or final phase
The sunset of an empire.
Horizon
The limit or edge of the observable universe.
Sunset
(Law) The automatic expiration of a statutory provision on a previously established date, in the absence of reauthorization
The law's sunset was July 1.
Horizon
The range of one's knowledge, experience, or interest.
Sunset
(Law) Providing for an automatic expiration.
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Horizon
A specific position in a column of rock layers, usually designated by the occurrence of one or more distinctive fossils or by a distinctive sediment bed, that is used in stratigraphy.
Sunset
To expire on a previously established date, as a statutory provision.
Horizon
A layer of soil that can be distinguished from adjacent layers of soil and that is characterized by a certain color, texture, structure or chemical composition.
Sunset
To provide for the expiration of (a program or agency) by means of a sunset provision.
Horizon
(Archaeology) A period during which the influence of a specified culture spread rapidly over a defined area
Artifacts associated with the Olmec horizon in Mesoamerica.
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Sunset
The moment each evening when the sun disappears below the western horizon.
At sunset
Horizon
The visible horizontal line (in all directions) where the sky appears to meet the earth in the distance.
A tall building was visible on the horizon.
Sunset
The changes in color of the sky before and after sunset.
Horizon
(figuratively) The range or limit of one's knowledge, experience or interest; a boundary or threshold.
Some students take a gap year after finishing high school to broaden their horizons.
With clinical researchers hard at work, a new treatment is on the horizon.
Sunset
(figuratively) The final period of the life of a person or thing.
One's sunset years
Horizon
The range or limit of any dimension in which one exists.
Sunset
(attributively) A set termination date.
The tax increase legislation included a sunset clause requiring renewal to prevent the tax increase from expiring.
Horizon
(geology) A specific layer of soil, or stratum
Sunset
The region where the sun sets; the west.
Horizon
A cultural sub-period or level within a more encompassing time period.
Sunset
To phase out.
We’ll be sunsetting version 1.9 of the software shortly after releasing version 2.0 next quarter.
Horizon
Any level line or surface.
Sunset
The descent of the sun below the horizon; also, the time when the sun sets; evening. Also used figuratively.
'T is the sunset of life gives me mystical lore.
Horizon
(chess) The point at which a computer chess algorithm stops searching for further moves.
Sunset
Hence, the region where the sun sets; the west.
Horizon
The line which bounds that part of the earth's surface visible to a spectator from a given point; the apparent junction of the earth and sky.
And when the morning sun shall raise his carAbove the border of this horizon.
All the horizon roundInvested with bright rays.
Sunset
The time in the evening at which the sun begins to fall below the horizon
Horizon
A plane passing through the eye of the spectator and at right angles to the vertical at a given place; a plane tangent to the earth's surface at that place; called distinctively the sensible horizon.
Sunset
Atmospheric phenomena accompanying the daily disappearance of the sun
Horizon
The epoch or time during which a deposit was made.
The strata all over the earth, which were formed at the same time, are said to belong to the same geological horizon.
Sunset
The daily event of the sun sinking below the horizon
Horizon
The chief horizontal line in a picture of any sort, which determines in the picture the height of the eye of the spectator; in an extended landscape, the representation of the natural horizon corresponds with this line.
Sunset
Of a declining industry or technology;
Sunset industries
Horizon
The limit of a person's range of perception, capabilities, or experience; as, children raised in the inner city have limited horizons.
Sunset
Providing for termination;
A program with a sunset provision
Horizon
A boundary point or line, or a time point, beyond which new knowledge or experiences may be found; as, more powerful computers are just over the horizon.
Horizon
The line at which the sky and Earth appear to meet
Horizon
The range of interest or activity that can be anticipated;
It is beyond the horizon of present knowledge
Horizon
A specific layer or stratum of soil or subsoil in a vertical cross section of land
Horizon
The great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth