Question

why do some stars appear blue and red? ​

Answer 1

Answer:

hii....

here is your answer

Stars appear blue and red because of difference in there temperature.

The star which is hot have red colour, the star which is hotter have blue colour and the star which is hottes have white colour......

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Answer 2

Hii...

Here's your answer...

The colour of stars differ because of their surface temperature.

The star having less temperature, appeared to be colour red ; star having moderate temperature, appeared to be colour white and the star having more or maximum temperature appered to be colour blue.

Now, according to increasing temperature, star colours are in this order:

Red <White <Blue

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