henrietta-swan-leavitt

henrietta swan leavitt

How Far are the Stars? (part 2)
March 29, 2011 · Be The First To Comment

A few months ago, I shared with you how astronomers measure distances to the nearest stars using simple geometry. I also pointed out, however, that we can measure only our small neighborhood using the geometric method we call parallax. How then, can we possibly know the distances of stars even farther out? Well, we all […]



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