Sentences with phrase «very luminous star»

(Cepheid variables, named after Delta Cephei in Cepheus constellation, are very luminous stars that have a direct relationship between their luminosity and pulsation period, which makes these stars important standard candles for establishing distance scales.)

Not exact matches

If SDSS1133 isn't a black hole, then it must have been a very unusual type of star known as a Luminous Blue Variable (LBV).
This condition is produced by the strong ultraviolet light emitted from the very luminous, hot stars embedded in the gas.
With luminous stars of this type there need not be very many to make up a highly luminous and conspicuous grouping.
B - type stars are very luminous and blue.
O - type stars are very hot and extremely luminous, with most of their radiated output in the ultraviolet range.
As a star - auteur, he has always been the most important feature and effect of the series, although it's telling that Mr. De Palma oversaw the set - piece that gave the movies their foundational image: Mr. Cruise's operative, Ethan Hunt, hovering like a spider (or a puppet) above a luminous white floor while suspended by a very thin rope.
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