Although low luminosity stars are very common, the probability of individual stars having planets within their habitable zones is low because low luminosity stars

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Low luminosity stars, such as red dwarfs, have very narrow habitable zones because they are much cooler and less luminous than our sun. Planets would need to be much closer to these stars to receive the necessary amount of heat and light to support life. However, planets that are too close may be tidally locked, with one side always facing the star and the other side always facing away. This could lead to extreme temperature differences and unfavorable conditions for life to develop. Therefore, while low luminosity stars are common, the probability of them having planets within their habitable zones is low due to the narrow range of distances where conditions for life could exist.

Although Low Luminosity Stars Are Very Common, the Probability of Individual