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/sci/ - Science & Math

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>> No.11266390 [View]
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11266390

>> No.11115804 [View]
File: 671 KB, 1500x1768, 25BrightestStars.jpg [View same] [iqdb] [saucenao] [google]
11115804

>>11115663
A 200mm Dob (8") + Laser-Collimator + 7mm-21mm eyepiece
Should be around 400$ on Amazon.

Also, Anon is right :
>>11115744

Check this :
https://www.lightpollutionmap.info

>> No.11096651 [View]
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11096651

>>11096619

>> No.10847580 [View]
File: 671 KB, 1500x1768, 25BrightestStars_Jittasaiyapan_1500.jpg [View same] [iqdb] [saucenao] [google]
10847580

Is it possible to see stars' movement in detail with naked eye, without the help of any equipment? (telescopes, binoculars, etc) Considering the fact the closest star to earth is 4.24 light-years away. A light-year is 9.44 trillion km

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