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Main sequence stars include the hottest stars as well as the coolest ones.

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9y ago

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Are big stars cold?

No. All stars are hot. For stars on the main sequence, the largest it is, the hotter it is. When a star leaves the main sequence to become a giant or supergiant it will cool down, but will remain hot enough to glow brightly.


Why are not giant stars in the main sequence on the H-R diagram?

Because there not that hot


What are the two stars that are not in the main sequence?

There are billions of stars that are not on the main sequence.


What are the stars in the main sequence?

The smallest stars in the main sequence are the stars with cooler surface temperatures.


Why are there no stars bluer on the main sequence?

No stars blue? A star's colour depends on it's temperature. A blue star must be very hot in order for it to glow blue. All stars in the main sequence sre only hot enought to glow yellow, not hot enought to glow blue.


How do clusters of O and B stars compare to clusters of T Tauri stars?

T Tauri stars are pre-Main Sequence stars which are large but not as hot as O and B Main Sequence stars. They mainly fall in the categories of F, G, K or M, and they are not yet on the Main Sequence because they are still accreting mass and are still very young and unstable.


Is most stars sequence stars?

"main sequence" is the tern.


What kind of stars are 90 of all Stars?

main sequence stars , our sun is also a main sequence star


Do red main sequence stars have the highest surface temperature?

No. They have the lowest temperatures on the main sequence. The hottest main sequence stars are blue.


Are main sequence stars mostly cool and bright?

Main sequence stars vary widely in temperature and brightness, depending on their mass. While some main sequence stars, like red dwarfs, are cool and dim, others, such as blue giants, are hot and very bright. The majority of main sequence stars, however, are found in the middle range of the spectrum, often classified as yellow or orange stars like our Sun. Thus, it is not accurate to say that main sequence stars are mostly cool and bright; they exhibit a broad range of characteristics.


Are there main sequence stars in the Milky Way?

Main sequence stars are found in all galaxies.


What is a diagonal band of stars on the H-R diagram?

Main sequence stars.