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The Hertzsprung-Russell diagram is a scatter graph of stars in which a star's luminosity (brightness) is plotted against its colour (temperature). Stars are not distributed all over this chart. A majority of stars lie on or near the diagonal which goes from top left (hot and bright) to bottom left (cooler and less bright). These are the main sequence stars.
There are also white dwarfs which are below the main sequence whereas stars which are giants and super giants lie in the region above the main sequence.
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What does it mean when a star goes off the main sequence?
When a star "goes off the main-sequence" it generally means the star has run out of hydrogen fuel and is beginning the post-main-sequence or its end of life phase. The main sequence of a star is the time where it is no longer just a proto-star but is burning hydrogen as a primary source of fuel.
Name an example of a main sequence?
The sun is a main sequence star
Are most stars in our galaxy found in the main sequence?
Most of the stars in the universe are found on the main sequence. Stars fall off the main sequence when they begin to die.
How many stars are main sequence stars?
Of the stars you can see from Earth, 90% are in the main sequence.
Why is our sun considered to be a main sequence star?
Because it is on the main sequence. [See related question]
What does it mean when a star goes off the main sequence?
When a star "goes off the main-sequence" it generally means the star has run out of hydrogen fuel and is beginning the post-main-sequence or its end of life phase. The main sequence of a star is the time where it is no longer just a proto-star but is burning hydrogen as a primary source of fuel.
What does a main-sequence G2 star mean?
it means tgalerxy exploads hat the
What most stars are classified as?
Main Sequence
Where is the sun in its main sequence stage?
its to the right of the middle of the main sequence.
What are the two stars that are not in the main sequence?
There are billions of stars that are not on the main sequence.
Name an example of a main sequence?
The sun is 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.
What is the main sequence temperature?
The temperature of main sequence stars can vary quite a bit.
Where is Hamal on the main sequence?
Unfortunately, it is impossible to tell accurately where a star is on the main sequence.
When was Off the Main Sequence created?
Off the Main Sequence was created in 2005-11.
How many pages does Off the Main Sequence have?
Off the Main Sequence has 738 pages.
Does a red main sequence star have fusion?
A red main sequence star would be a red dwarf or a branch red giant. To be on the main sequence, you have to have hydrogen nuclear fusion.
