Giant star

A giant star is a star with substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature. They lie above the main sequence (luminosity class V in the Yerkes spectral classification) on the Hertzsprung–Russell diagram and correspond to luminosity classes II and III. The terms giant and dwarf were coined for stars of quite different luminosity despite similar temperature or spectral type by Ejnar Hertzsprung about 1905.

Giant stars have radii up to a few hundred times the Sun and luminosities between 10 and a few thousand times that of the Sun. Stars still more luminous than giants are referred to as supergiants and hypergiants.

A hot, luminous main-sequence star may also be referred to as a giant, but any main-sequence star is properly called a dwarf no matter how large and luminous it is.

Formation

A star becomes a giant star after all the hydrogen available for fusion at its core has been depleted and, as a result, leaves the main sequence. The behaviour of a post-main-sequence star depends largely on its mass.

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PLAYLIST TIME:

Giant Stairs

by: A Weather

I don't know if I should go back there, without you.
To much older rocks, than we've found, 'cos,
'Cos the air, is wet and salty,
in the wake of passing by.
The gravel road that burns through branches,
and so I return to the shore, in,
In the wreck of something moving,
inexhaustibly tonight.
It's kind of hard to say in this light
It's kind of hard to say when this light, goes out with a fight.
It's kind of hard to say in this light
It's kind of hard to say when this light, goes out with a fight.
I wanna a new start to what's ending.
The needles to prick up their ears, to,
To the jealousies that battle,
in the winds of giant stairs.
It's not the tires you're hearing,
but what's getting crushed underneath, and
And I know that this is fading,
and I want to take my time.
It's kind of hard to say in this life
It's kind of hard to say in this life, where the lands end is.
It's kind of hard to say in this life
It's kind of hard to say in this life, where the lands end is.
It's not the fall that we, should be afraid of.
It's not the fall that we, should be afraid of.
It's not the fall that we, should be afraid of.
It's the quick stop.
It's not the fall that we, should be afraid of.
It's not the fall that we, should be afraid of.
It's not the fall that we, should be afraid of.




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