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The first variable that is used to classify stars is its ionization state which can measure the photosphere's temperature and density. This information is gathered by splitting the light from a star with a prism and observing the resulting spectrum that includes absorption lines. Luminosity is another variable used; it is based on the width of absorption lines.
What else can I help you with?
What are the four variables astromeners use to classify stars?
The four variables astronomers use to classify stars are temperature, luminosity, size or radius, and mass. By analyzing these properties, astronomers can determine a star's position on the Hertzsprung-Russell diagram and classify it into different spectral types and stages of stellar evolution.
What is used to classify stars?
Size, color and temperature.
Which characteristics is not used to classify stars?
size
What are characteristics used to classify a star?
you classify stars by color, temperature, size, composition, and brightness.
What are the three main criteria used to classify stars?
Mass.Luminousity.Temperature.
What two variables are used to classify stars?
Stars are classified based on their temperature and luminosity. Temperature determines the color of a star, with blue stars being hotter than red stars. Luminosity is the total amount of energy a star emits each second.
What are the 4 variables astronomers use to classify stars?
Astronomers use temperature, luminosity, size, and color to classify stars. These factors help categorize stars into different spectral types and determine their position on the Hertzsprung-Russell diagram.
What are some characteristics used to classify stars?
In Astronomy stars can be classified by theircolor (temperature)composition (as found by their spectrum)agelocation in a galaxymassproximity to other stars
Who classifies stars?
Astronomers classify stars.
How do you classify polynomials?
Based on number of district variables.
What is the main characteristics used to classify stars?
age, brightness , color, bubblyness, yellowness , and heet
What are the three main characteristic used to classify stars?
The three characteristic are temperature, size, and brightness.
