How do you measure?

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samiul_samin
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Re: How do you measure?

Unread post by samiul_samin » Mon Feb 04, 2019 1:38 pm

rakeen wrote: ↑
Wed Dec 15, 2010 1:33 pm
 these questions often occurs in my mind:


3.How do you find the mass of stars,planets and galaxies?


N:B: ei question gulo Subrata bhaiya ke kora lagto.P-alo te tar article dekhso? mindblowing :)
Mass and distance of the stars can be measured from their spectrum and illumination.There age and temperature can also be determined by using these information.
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