Cosmic Queries – Astro-lore with Moiya McTier
StarTalk Radio
00:00
Mapping the Milky Way
Mapping the Milky Way. That's something we've been trying to do for hundreds of years. We only realized there were other galaxies out there a hundred years ago. The great debate in the 1920s was all about are we alone or are there other island universes? And it turns out there are. But we did know long before that that we were in this collection of bright points of light.
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