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A red star is fusing mostly hydrogen while a blue star has depleted its hydrogen supply and is fusing helium into heavier elements.

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What can be said with certainty about a red star and a blue star?

A red star is cooler and has a lower temperature compared to a blue star, which is hotter. Red stars are typically older, while blue stars are younger. The color of a star is determined by its surface temperature, so these differences in characteristics between red and blue stars are consistent.


What is the difference between the brighness and color of a star?

the brightness of a star usually means how close it is to earth and the colour means how hot it is. blue/white being the hottest and colours like red yellow and orange being not as hot.


Is a blue star smaller than a red star?

Not necessarily. The color of a star is determined by its temperature, with blue stars being hotter than red stars. Size can vary independently of temperature, so a blue star can be larger or smaller than a red star.


What color star is hotter a red star of a blue star?

A blue star is hotter than a red star. Blue stars have higher surface temperatures, typically exceeding 10,000 Kelvin, while red stars have lower surface temperatures, usually below 4,000 Kelvin. The color of a star is an indication of its temperature, with blue stars being the hottest and red stars being the coolest.


Suppose you see two stars a blue star and a red star what can you conclude about the two stars?

The color of a star is influenced by its temperature, with blue stars being hotter than red stars. Therefore, you could conclude that the blue star is hotter than the red star. Additionally, blue stars typically have shorter lifespans than red stars.

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What can be said with certainty about a red star and a blue star?

A red star is cooler and has a lower temperature compared to a blue star, which is hotter. Red stars are typically older, while blue stars are younger. The color of a star is determined by its surface temperature, so these differences in characteristics between red and blue stars are consistent.


What is the difference between a star that becomes a red giant and one that becomes a red supergaint?

The mass of the star.


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the color


What can be said about a red star and a blue star?

A red star is cool whereas a blue star is hot.


What is the difference between the red 3DS and the blue 3DS?

The only difference is the colour of the external shell.


Is the blue or red star hot?

The blue star is the hottest star.


What star has a higher surface temperature blue star or a red star?

Blue.


What is the difference between red and blue grade copper pipe?

Wall thickness


What is the difference between the brighness and color of a star?

the brightness of a star usually means how close it is to earth and the colour means how hot it is. blue/white being the hottest and colours like red yellow and orange being not as hot.


Is a blue star smaller than a red star?

Not necessarily. The color of a star is determined by its temperature, with blue stars being hotter than red stars. Size can vary independently of temperature, so a blue star can be larger or smaller than a red star.


What is the difference between red top milk and blue top milk?

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