Sentences with phrase «tuning fork diagram»
Towards the end of the Twenties Hubble had discovered enough galaxies that he was able to compare them to one another and create a classification system, known as the Hubble Tuning Fork diagram, which grouped galaxies into ellipticals, spirals and barred spirals.
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They are placed at the point in the tuning fork diagram where it brances off to the regular spiral or barred spiral pattern prong.
The number next to the «E» in the tuning fork diagram = 10 × (largest diameter - smallest diameter) / (largest diameter), so an E7 galaxy is flatter than an E0 galaxy.
Not exact matches
However, the «tuning fork» diagram is still used to classify galaxies because of its convenience.
The tuning fork is placed in the «diagram» as the conductor of the electricity: without it, the light is not operating.