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What are the names of the stars that are blue?
Some examples of blue stars include Rigel, Vega, and Sirius. Blue stars are typically hotter and more massive than other stars, giving them their distinct blue color.
Which stars in globular clusters are believed to be examples of mergers?
Blue straggler stars in globular clusters are believed to be examples of mergers. These stars are thought to form from the merging of two smaller stars or from the collision and merger of two stars in a binary system, leading to them appearing brighter and bluer than other stars in the cluster.
What are the examples of red stars?
Examples of red stars include Betelgeuse in the constellation Orion, Antares in the constellation Scorpius, and Arcturus in the constellation Bootes. These stars appear red due to their lower surface temperatures compared to hotter, blue stars.
What class of stars are the largest?
The largest class of stars are known as hypergiants. These massive stars have very high luminosities and can be hundreds of times bigger than the Sun. Examples include stars like UY Scuti and Betelgeuse.
Are blue-white stars the coolest?
No. Red stars are the coolest. Blue stars are the hottest.
