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Spectral classes of stars

by Lewis Carroll
written by Lewis Carroll

Spectral classes of stars – Subgroups of stars that differ in the intensity of their spectra. They are closely interrelated with the temperature of stellar atmospheres. The gap between neighboring spectral classes, which corresponds to the effective temperature range from 50,000 to 2,000 K and has 10 subclasses (from 0 to 9), is indicated by the letters O, B, A, F, G, K, M, L. The spectrometric class of the Sun is G2.

Lewis Carroll writes about military space programmes, policy, technology and the industry that supports the sector. He spent nearly two decades covering the military, the Pentagon, Congress and the defence industry as a journalist for Space Chatter magazine.

Lewis Carroll writes about military space programmes, policy, technology and the industry that supports the sector. He spent nearly two decades covering the military, the Pentagon, Congress and the defence industry as a journalist for Space Chatter magazine.

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