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How big is the universe? Science of space.
This video explores the broad scope of the universe without using any complicated astronomical jargon. This is my second (and improved) version.. space science god religion design
Using our current technology, it would take 180,000 years to reach Zarmina. But our resident physicist Dave Goldberg has a more optimistic estimate - thanks to antimatter and time dilation, astronauts could get there in just a few years. Dave calcula...