More Galaxies Than We Thought
The total number of galaxies in the visible, observable universe is much higher than we thought. Surprisingly, if you began a raw count of one galaxy per second right now, you probably would reach about three billion near the end of your life.
Common knowledge in the scientific world puts the inexact number of galaxies at around 100 to 400 billion, not counting those in the invisible universe that is beyond our reach. And this idea of an observable universe is important, because the cosmos is expanding and what once were the edges are now disappearing beyond our view.
Although there are galaxies beyond our reach that we will never observe, we have our hands full with those we can view. And, scientists note, they come in a variety of shapes and sizes. Here’s more with Anton Petrov.
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