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The expansion of our universe may be slowing down. What does that mean for dark energy?
As if dark energy weren't already mysterious and baffling enough, new research suggests that this unknown force may not be ...
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What Is The Universe Expanding Into?
The universe is expanding, and while that fact is fascinating, it also creates a question that trips people up: if it’s growing, what exactly is it expanding into? Our brains are used to picturing ...
"I think it's natural to take a break and wonder whether we are fundamentally thinking about this in the wrong way." Dark matter could be made from tiny black holes formed when so-called "dark baryons ...
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What's Hiding Outside Our Galaxy?
This video takes viewers on a journey beyond the Milky Way, exploring where our galaxy ends and what lies in intergalactic space. It explains the structure of the Milky Way, from its spiral arms and ...
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