Our Galaxy’s Twins
Our Milky Way Galaxy is huge–almost 100 hundred thousand light years, or about 600 hundred thousand trillion miles, from one end to the other. But the universe itself is monstrous and astronomers have discovered that our galaxy has multiple twins, the closest being the Andromeda Galaxy. Studying these twins will tell us more of how our galaxy has evolved and how it will be destroyed. Learn more in this episode of Seeker.
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