Far out cosmology: our sun a very unusual star (Introduction)
Many differences:
https://bigthink.com/starts-with-a-bang/sun-typical-star/?utm_campaign=weeklynewsletter...
"Stars come with a variety of properties: mass, color, temperature, ionization, metallicity, age, etc.
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Most stars that exist today formed long ago: ~11 billion years in the past.
"Our Sun, born 4.6 billion years ago, is younger than 85% of all stars.
"Since time immemorial, we’ve wondered, “Is the Sun just a typical star?”
"Our Sun, a G-class star, is more massive than 95% of stars.
"Most stars are lower than ours in metallicity: the fraction of heavy elements present.
"Our Sun has greater enrichment than ~93% of all stars.
"Only half of all stars are “singlets” like our Sun; the other half exist within multi-star systems.
"We’re not typically luminous, either.
"The overall luminosity-to-mass ratio of stars is three times our own.
"Normal, apparently, encompasses an enormous range.
Comment: the age and properties of our sun offer more fine-tuning reasons for the Earth to allow life to appear. The sun and Earth are not near the averages for all other star system. It is obvious we are special