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Jemurray3Best ResponseYou've already chosen the best response.0
A couple of different ways, depending on the level of accuracy you're looking for. Observing the redshift of its galaxy and then using Hubble's law, or using optical parallax, or determining its size by other means and then calculating its distance by measuring its brightness are all possibilities.
 one year ago

MikaelBest ResponseYou've already chosen the best response.0
Mostly by the amount of doppler redshift. Sometimes the starlight undergoes some absorption on its path (dust, u know is everywhere) , if we know the amount of absorption per distance  it is an additional clue
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.2
Nearby stars are measured with parallax
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.2
what can you say about @mathslover
 one year ago

mathsloverBest ResponseYou've already chosen the best response.0
as mentioned by mayank ... we can measure the nearby stars as : dw:1346830698728:dw
 one year ago

mathsloverBest ResponseYou've already chosen the best response.0
My knowledge is not so far good but you can go through out this : http://christiananswers.net/qeden/stardistance.html
 one year ago

mathsloverBest ResponseYou've already chosen the best response.0
dw:1346831064656:dw
 one year ago

youridebruijnBest ResponseYou've already chosen the best response.0
There are more options but the one that I know is already used in an answer above by mathslover. It's been measured with parallax, two measurement of the exact position of the star in the sky, 6 months apart (one side and from the other side of the earth). With more distant stars you should measure the brightness, I think.
 one year ago

MikaelBest ResponseYou've already chosen the best response.0
Sorry mr. @muhammad9t5 , YOU ARE MISTAKEN YOURSELF and MISLEAD OTHERS. NEVER HAS ANY COSMIC OBJECT HAS BEEN MEASURED BY ITS GRAVITY. 1 IT IS USUALLY IMPOSSIBLE TO SEPARATE ITS GRAVITY FROM OTHER FORCES (GRAVITATIONAL or other 2 FOR STARS  IT WILL NEVER BE POSSIBLE BECAUSE IT IS TOO WEAK. I suggest you think in terms of reality, real physics and not overfertile imagination....
 one year ago

muhammad9t5Best ResponseYou've already chosen the best response.0
@Mikael sorry sir.
 one year ago

MikaelBest ResponseYou've already chosen the best response.0
Well i am sorry for the harsh tone. hope u'll understand
 one year ago

youridebruijnBest ResponseYou've already chosen the best response.0
Well, we're all here to learn, right ;)
 one year ago

apple_piBest ResponseYou've already chosen the best response.0
Hmmm, ok but what about the ionosphere? How do we know how far the two viewpoints are from each other?
 one year ago
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