Sentence examples for main sequence was from inspiring English sources

Measurements of the Hyades long formed a basis for astronomical determinations of distance and age because its thoroughly studied main sequence was used as a standard.

Where the money's going: Main Sequence is 20-1 from 25-1 William Hill Hill for the Investec Derby after extending his unbeaten record at Lingfield on Saturday.

Some stars have already evolved into the supergiant stage (in such a diagram the top of the main sequence is bent over).

Like the rate of formation of a star, the subsequent rate of evolution on the main sequence is proportional to the mass of the star; the greater the mass, the more rapid the evolution.

The time to pass through these formative stages and onto the main sequence is less than 100 million years for a star with as much mass as the Sun.

Stars in the main sequence are mainly composed of hydrogen in its plasma state.

But, in consequence, their life span on the main sequence is correspondingly shorter.

The current position where stars in this cluster are leaving the main sequence is known as the turn-off point.

Stars within the portion of the instability strip that crosses the main sequence are called Delta Scuti variables.

The common use of dwarf to mean main sequence is confusing in another way, because there are dwarf stars which are not main-sequence stars.

By this theorem, once a star's chemical composition and its position on the main sequence is known, so too is the star's mass and radius.