Question:

What population of stars in the M.W. galaxy, do you think the bright naked eye stars belong?

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Which population of stars in the Milky way galaxy are you not likely to be able to see at all with your naked eye? With your eyes are you seeing a large portion of the Galaxy or a small portion?

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  1. You are not able to see most of the stars in our galaxy. Most are of such a low magnitude, and so far away, they are not visible. When you look at the sky you are only seeing a small portion of the Milky Way. If you're lucky and you're in a dark enough place and you lay on your back and look straight up you'll be able to see an arm of the Milky Way making its way across the sky directly overhead.


  2. I'd guess that pretty much all of the stars you can see unaided are population I. All the bright ones must be population I because they are invariably hot, giant stars. All of the giant population II stars went supernova or became white dwarfs aeons ago.

    Many population II stars are red dwarfs, these are the ones you are unlikely to be able to see without a powerful telescope.

  3. Although as many as 5,800 to 8,000 of the Milky Way's stars are visible from Earth with the naked eye, it is seldom possible to see more than 2,500 stars at any given time from any given spot. Most of the "bright" stars that we do see are atypical, with more mass, a higher luminosity, and a greater diameter than our own sun. On the other hand, the vast majority of stars in Sol's neighborhood are dimmer than Sol, too dim to be observed with the naked eye. Although dim and reddish M-dwarf stars constitute more than half of the population of our galaxy's stars, none are visible to the naked eye.

  4. A very small portion, less than 10% of the known universe.

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