How do astronomers measure distance in space?

How do astronomers measure distance in space?


How do astronomers measure distances in space? How can we possibly determine the distance to a nearby galaxy? Astronomers regularly talk with confidence about how far away stars and galaxies are, but how is it possible to calculate such distances?

Continue Reading . . . https://www.skyatnightmagazine.com/space-science/measuring-distance-space/

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