Astronomical Distances and the Age of the Universe
Every so often, astronomers will publish photos taken with an astronomical telescope and say that the object they captured is so many billions of light years away.
But how could they know the distance of something from just looking at it?
Furthermore, astronomers claim that the universe is almost 14 billion years old. How could they possibly know that?
Well, there are answers to these questions, and surprisingly, astronomical distance and age and closely intertwined.
Learn more about astronomical distances and the age of the universe on this episode of Everything Everywhere Daily.
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