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Large bright stars that are fairly cool are called?
Red giants.
Why are red giants so bright?
Red giants are bright because they have expanded to a larger size, allowing them to emit more light. They are in a later stage of their life cycle where they have exhausted their core hydrogen and are fusing helium and other elements in their cores, releasing a large amount of energy in the process.
Which are hotter white dwarfs or red giants?
red giants
Are red giants or blue giants bigger?
Generally red giants are bigger, but really it has more to do with how hot they burn. Blue giants burn hotter and have more mass.
Do blue stars and red giant stars have similar brightness values?
Blue stars are generally much brighter than red giant stars. Blue stars are very hot and luminous, emitting a larger amount of energy compared to red giants, which are cooler and typically less bright.
What are Large stars that are bright but not hot are called?
They are red giants.
Large bright stars that are fairly cool are called?
Red giants.
What cool and bright stars are located in the upper right of the H-R diagram?
In the usual position of the axes, the upper-right is populated by giants and supergiants.
What type of stars has low temperature but high luminosity?
The red giants like Betelgeuse and Antares are bright and - relatively - cool.
What type of stars has high temperature but high luminosity?
The red giants like Betelgeuse and Antares are bright and - relatively - cool.
What type of stars low temperature but high luminosity?
The red giants like Betelgeuse and Antares are bright and - relatively - cool.
Why are red giants so bright?
Red giants are bright because they have expanded to a larger size, allowing them to emit more light. They are in a later stage of their life cycle where they have exhausted their core hydrogen and are fusing helium and other elements in their cores, releasing a large amount of energy in the process.
What color is red giants?
I'm going to have to go with red because in the question, it says "What color is a red giant?"Well its not always red, it might also be white or blue indicating that its bright and hot. But it is also red.
What color is bright red called?
The color bright red is simply referred to as "bright red."
What are bright cool stars?
To be bright you need to be hot, close or have a large surface area. The brightest coolest stars are red super giants. They have such a large surface area, that even though their surface temperature is cool - in star terms - their large surface area makes them appear bright.
Which are hotter white dwarfs or red giants?
red giants
What color is haemoglobin?
Hemoglobin is red in color when it is carrying oxygen.
