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But this is all great news for astronomers: KKs 3 is a relic, so isolated and old it probably hasn’t changed much in a long, long time. Studying it is like having a time machine to study the ancient Universe. And we think that, billions of years ago, collisions between small galaxies like KKs 3 are what built up much larger galaxies. We know that the Milky Way is currently eating a few other small galaxies, so we can study those events and compare them to what we see in KKs 3 to learn more about how this process may have occurred so far in the past.
There’s a thought for you — galaxies as living entities, with the big ones as predators hunting smaller ones …
400 downloads of Communion of Dreams so far this weekend! The Kindle edition remains free through today, if you know someone who might like to have it.
*Credit here, though it has been pretty widely transcribed that way in the last 40 years.
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