How Do Distance Of Stars Are Expressed

How do distance of stars are expressed

 

Here on Earth, we can use familiar things to measure the distance to something. I know you can think of most of them. Theres rulers, yardsticks, tape measures, and laser rangefinders. I even know of people who know the length of their fingers to approximate short distances!


But how in the world do you measure the distance to a faraway star? We dont have any ruler long enough for that. Well, this lesson will solve that mystery for you.


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