দূরত্ব

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Ipsc palash
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দূরত্ব

Unread post by Ipsc palash » Sun Nov 27, 2011 9:41 pm

আমরা জানি GALAXY TO GALAXY দূরত্ব আলোকবর্ষ দিয়ে মাপা হয়. কিন্তু কিভাবে?

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nafistiham
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Re: দূরত্ব

Unread post by nafistiham » Sun Nov 27, 2011 11:11 pm

you can see this
distance to galaxies
\[\sum_{k=0}^{n-1}e^{\frac{2 \pi i k}{n}}=0\]
Using $L^AT_EX$ and following the rules of the forum are very easy but really important, too.Please co-operate.
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samiul_samin
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Re: দূরত্ব

Unread post by samiul_samin » Mon Feb 04, 2019 10:04 pm

Ipsc palash wrote:
Sun Nov 27, 2011 9:41 pm
আমরা জানি GALAXY TO GALAXY দূরত্ব আলোকবর্ষ দিয়ে মাপা হয়. কিন্তু কিভাবে?
Their spectrum is the key thing to measure their distance.

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