local group
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Exploring Galaxy Clusters
What if we were to travel beyond our own Milky Way Galaxy, and foray out into the galactic wilderness of deep space? What do you think we’d expect to find? Would we find galaxies spread out apart from one another,…
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Where Are We?
In the 4th century B. C. E. (Before Common Era), scientists believed the Earth was the center of the universe. Before that, they were convinced the Earth was flat. Now, most of us know that the Earth is not the…
