Question

Which characteristic is not used to classify stars? size color distance from Earth age

Answer 1

According to the topic on stars, galaxies and the universe, the characteristics that are used to classify stars are color, temperature, size, elemental or compound composition, and brightness. Among these factors give, the characteristic not used to classify stars is distance from the earth. 

Answer 2

The classification of stars is dependent on some important factors.

According to the question, Distance is not an intrinsic characteristic of star classification.

Characteristics of star Classification

• Surface Temperature
• luminosity
• size
• colour

Surface temperature and Luminosity are the two major factors which are used to classify stars.

Size and colour are also two important factors used when classifying stars.

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