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Because, giants can only occur once they leave the main sequence.
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∙ 12y ago
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What element is the main fuel for red giants main sequence stars?
Main sequence star: hydrogen-1. Red giants: helium-4.
What red giants element is the main fuel for main sequence stars?
Main sequence star: hydrogen-1. Red giants: helium-4.
Is a red giant star considered to be a main sequence star?
No. Red giants are not on the main sequence.
Are main sequence stars older than red giants?
No, red giants are generally older than main sequence stars, as red giants have no hydrogen left for fuel, and burn helium instead. where as Main Sequence stars burn hydrogen for fuel.
Name the four main types of stars?
The four types of stars are; Main Sequence, White Swarfs, Red Giants and Super Giants. 90% of stars are in the Main Sequence.
Describe two types of stars that are not on the main sequence-?
Red Giants - although they can be branch main sequence for a while.Brown DwarfsBlack dwarfsWhite dwarfsT-Tauri starsProtostarsNeutron starsPre-main sequence stars (PMS stars)
What are featureless galaxies that contain old red main-sequence stars and red giants called?
With red giants and main sequence stars they are not entirely featureless, therefore there is no name for them.
What is the general size of a main sequence?
It can have many different sizes. Only the largest giants are no longer main sequence stars.
What element is the main fuel for main sequence stars for red giant?
Main sequence star: hydrogen-1. Red giants: helium-4.
Giants supergiants white dwarfs have left the main sequence?
Yes, all those types of stars have left the main sequence.
On a Hertzsprung-Russel diagram red giants and supergiants are positioned?
above the main-sequence stars
Are most stars giants?
No, most stars are not giants. The group with more stars is Main Sequence Stars.
