What are the classification of stars?
Scientists classify stars by temperature and the elements they absorb, which are called their spectra.
They have divided stars into seven main types.
There are seven main types of stars: O, B, A, F, G, K and M.
The O stars are the bright, hot, blue stars and the M stars are the dimmer, cooler, red stars..
What are the 5 characteristics used to classify stars?
Key Concept: Characteristics used to classify stars include color, temperature, size, composition, and brightness.
What determines a star’s type?
Stars are divided into groups called spectral types (also called spectral classes) which are based on the strength of the hydrogen absorption lines. … The presence of other atomic or ion lines are used in conjunction with the hydrogen spectrum to determine the particular temperature of the star.
What are the 7 types of stars?
There are seven main types of stars. In order of decreasing temperature, O, B, A, F, G, K, and M. This is known as the Morgan–Keenan (MK) system. The majority of all stars in our galaxy and even the Universe are main-sequence stars.
What are 4 ways stars can be classified?
Today, we call these imaginary patterns of stars constellations. Astronomers classify stars according to their physical characteristics. Characteristics used to classify stars include color, temperature, size, composition, and brightness.