It is the closest star to Earth. Our Sun is a very ordinary bright star, even though it's a million times bigger than the earth. Some stars are larger than the Sun, some are hotter. But they all appear as points of lights to us because they are so far away. The nearest star is about 250,000 times farther away than the sun.
Young stars are the hottest.
The majority of stars are dim suns called red dwarfs. People cannot live on stars because they very hot and very bright.