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18 relations: Amplitude, Asteroid, Asteroid belt, Asteroid spectral types, C-type asteroid, Carbonate, Degree (angle), Jet Propulsion Laboratory, Julian day, Julian year (astronomy), Kelvin, Light curve, Occultation, Photometry (astronomy), Plato, Robert Luther, Rotation period, Sophrosyne.
Amplitude
The amplitude of a periodic variable is a measure of its change over a single period (such as time or spatial period).
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Asteroid
Asteroids are minor planets, especially those of the inner Solar System.
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Asteroid belt
The asteroid belt is the circumstellar disc in the Solar System located roughly between the orbits of the planets Mars and Jupiter.
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Asteroid spectral types
An asteroid spectral type is assigned to asteroids based on their emission spectrum, color, and sometimes albedo (reflectivity).
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C-type asteroid
C-type (carbonaceous) asteroids are the most common variety, forming around 75% of known asteroids.
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Carbonate
In chemistry, a carbonate is a salt of carbonic acid (H2CO3), characterized by the presence of the carbonate ion, a polyatomic ion with the formula of.
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Degree (angle)
A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle, defined so that a full rotation is 360 degrees.
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Jet Propulsion Laboratory
The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.
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Julian day
Julian day is the continuous count of days since the beginning of the Julian Period and is used primarily by astronomers.
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Julian year (astronomy)
In astronomy, a Julian year (symbol: a) is a unit of measurement of time defined as exactly 365.25 days of SI seconds each.
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Kelvin
The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.
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Light curve
In astronomy, a light curve is a graph of light intensity of a celestial object or region, as a function of time.
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Occultation
An occultation is an event that occurs when one object is hidden by another object that passes between it and the observer.
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Photometry (astronomy)
Photometry is a technique of astronomy concerned with measuring the flux, or intensity of an astronomical object's electromagnetic radiation.
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Plato
Plato (Πλάτων Plátōn, in Classical Attic; 428/427 or 424/423 – 348/347 BC) was a philosopher in Classical Greece and the founder of the Academy in Athens, the first institution of higher learning in the Western world.
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Robert Luther
Karl Theodor Robert Luther (April 16, 1822 – February 15, 1900), normally published as Robert Luther, was a German astronomer.
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Rotation period
In astronomy, the rotation period of a celestial object is the time that it takes to complete one revolution around its axis of rotation relative to the background stars.
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Sophrosyne
Sophrosyne (σωφροσύνη) is an ancient Greek concept of an ideal of excellence of character and soundness of mind, which when combined in one well-balanced individual leads to other qualities, such as temperance, moderation, prudence, purity, and self-control.
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