Everything you need to know about Pluto’s shadow, Charon.
Join us as we journey to the solar system's frozen edge to explore Pluto’s mysterious companion, Charon. Forming half of the solar system’s most intriguing binary, Charon’s dark surface bears the scars of a violent past, and a bizarre red stain on its pole. Join us to explore everything we know about Charon, the moon that helped to redefine what it means to be a planet.▀▀▀▀▀▀

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Hubble’s new 2.5 billion pixel image reveals Andromeda in unprecedented detail.
In this video, we explore our closest neighbouring galaxy, Andromeda. Created from 10 years of observations by the Hubble Telescope, the latest mosaic image unveils 200 million stars in glorious resolution. We’re zooming into the details and picking apart the clues with a fine-tooth comb. From star formation to galactic collisions, what does the new image reveal about Andromeda’s violent past… and its terrifying future?

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The universe doesn’t work the way you think it does. At least, not on the smallest scale. This compilation of ‪Astrum videos explores the mysterious and baffling properties of the quantum universe. These quantum experiments defy common sense, will make you question your reality, and are even changing the future of technology. ▀▀▀▀▀▀

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Forget everything you think you know about rivers. In this video, we’re diving into the weirdest waterways on Earth, including a river hot enough to boil you alive, a waterfall that bleeds, and a multi-coloured rainbow stream. Join us to uncover the mind-bending science behind these mysterious currents.
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The billionaire space race is on. This Astrum episode explores the new age of private space exploration and how it's changing the future of space science. What does it mean for our destiny among the stars?

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The Hubble tension problem is breaking cosmology.

Cosmology is in crisis. Scientists have argued for decades about how and why the universe is expanding. Now, after careful measurements using multiple methods, the main two don’t add up. What do we do when our measurements of the universe don’t match up with our models? Are all of our theories wrong?▀▀▀▀▀▀

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In this Astrum episode, we explore giant impacts, epic collisions, and cosmic mysteries. What really happened when NASA intentionally smashed a probe into an asteroid? We’ll take a look at the biggest, most violent impact craters across the solar system, revealing ancient evidence of cataclysms bigger than you can imagine. And what caused this accidental crash landing on the Moon?

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Surprising new measurements from JWST reveal that Neptune is doing something surprising… In this Supercut, we're exploring everything we know about the mysterious blue ice giant. You'll see jaw-dropping new images of Neptune’s powerful aurora captured by JWST, and learn about a puzzling object orbiting in perfect resonance with the planet.To those returning and new to the channel: This video is a supercut of our previous videos about Neptune, edited into a new seamless video, and remastered in 4K resolution. Plus, we’ve added some new science updates. Enjoy!
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In this Astrum episode, we’re venturing out beyond the edge of our solar system, to discover what else lives in our local neighbourhood. Do we live in an especially strange place in the cosmos?This compilation includes some content from the early days of the Astrum channel - keep watching to see Alex on camera!

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The “Gateway to Hell” has been burning for 50 years, and it’s finally closing.

Journey to the most hellish places on Earth. We're exploring our planet's terrifying "hell holes" - from a relentlessly burning crater, to a pit teeming with spiders, and a gigantic chasm that won't stop growing. Discover the dark forces behind these nightmare portals, find out how they mysteriously formed, and what truly lies lurking in the darkness below.
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