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BEGINNERS' STARGAZING QUIZ (QM) - IPY

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Siobain
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Re: BEGINNERS' STARGAZING QUIZ (QM)

Unread post by Siobain » Thu Oct 10, 2013 12:33 pm

This is a complete guess,

1. If it is a big city like Johannesburg I would say about 60-100 stars.
2. If in Kruger with no trees or buildings blocking your view, then I would say several thousand, about 8000-10 000.
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Philip1
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Re: BEGINNERS' STARGAZING QUIZ (QM)

Unread post by Philip1 » Fri Oct 11, 2013 9:45 am

2) If you had perfect eyesight and traveled to completely dark skies, and there was no Moon, you might be able to get to count up almost 9,000 stars.
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onewithnature
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Re: BEGINNERS' STARGAZING QUIZ (QM)

Unread post by onewithnature » Wed Jan 22, 2014 2:03 am

onewithnature wrote:Next Q for our budding astronomers ...

How many stars (more or less) can a person with good vision see with the naked eye if she or he
(i) is in a large city;
(ii) is in the country away from all forms of pollution on a moonless night;
(iii) is on top of a high mountain?


The answers may surprise you:

(i) One can usually not see more than about a couple hundred stars in a large, luminous city. In some very smoggy ones, you'd be lucky to see 10. :cry:
(ii) Assuming good eyesight without any defects, it is estimated that around 5000-6000 stars can be seen out in the country away from all forms of pollution.
(iii) On top of a high mountain, it is estimated that one could see 8000-10000 stars.


Thanks for your answers, Philip, Siobain, and Timepilot. :clap: :clap:
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