Yes. Millions of blue stars exist in our galaxy alone.
It's because of the temperature of the star. The temperature defines the colour of the star. A red star is cooler than a blue one. Imagine heating an iron rod. It will start off black, then red, then orange, then yellow and if you continue heating it, it will turn white. If you could heat it a lot more it would turn blue.
There's more than one.
No there is only one Star of David of the Jewish faith.
The blue star would have higher surface temperature than a red star.
blue whale is made up of more cells than one . (blue whale )
Blue Man Productions has over 50 people so yes there is more than one group.
They are larger and have more energy
You can have more than one character in your swtor account, but not more than one swtor account on your email.
nowhere
Yes.Yes.Yes.Yes.
If by star system you mean more than one star but not a galaxy then Alpha Centauri is the closest star system
If the containers are the same apart from the colour, no. But if the red container is more insulated than the blue one, yes If the blue is more insulated than the red, no.