Have We Found The Universe's Missing Mass?

What this episode covers

Have we just found the universe's missing matter?Astronomers know exactly how much visible matter the entire universe should contain. The problem is, that for decades, 40% of it has been missing. Nowhere to be found. For the first time in history, we may have finally found where the missing mass of the universe has been hiding… And it’s in plain sight.▀▀▀▀▀▀If you love learning about science as much as I do, head to http://brilliant.org/astrum to learn for free for a full 30 days. You'll also receive 20% off a premium annual subscription, giving you unlimited access to everything on Brilliant.▀▀▀▀▀▀Astrum's newsletter has launched! Want to know what's happening in space? Sign up here: ⁠https://astrumspace.kit.com⁠A huge thanks to our Patreons who help make these videos possible. Sign-up here: ⁠https://bit.ly/4aiJZNF

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How long is this episode of Astrum Space?

This episode is 20 minutes long.

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This episode was published on February 5, 2026.

What is this episode about?

Have we just found the universe's missing matter?Astronomers know exactly how much visible matter the entire universe should contain. The problem is, that for decades, 40% of it has been missing. Nowhere to be found. For the first time in history,...

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