Épisodes

  • There Are 100s of Massive Structures in Our Galaxy's Centre, And We Don't Know What They Are
    Dec 6 2025

    The MeerKAT telescope saw something very strange at the heart of our galaxy.


    We’re diving into the most detailed radio image ever captured of the Milky Way's heart. MeerKAT's 2022 image reveals a cosmic mystery that has yet to be unraveled: hundreds of gigantic, mysterious filaments stretching 150 light years in length. Join us as we explore how this galactic enigma could have formed. ▀▀▀▀▀▀

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    21 min
  • What India Found Beneath the Surface of the Moon
    Dec 3 2025

    A compilation of ‪Astrum episodes about missions from ISRO, India’s Space Agency. As the fourth nation to successfully land on the Moon, India is establishing itself as a major contender in global space exploration. We dive into ISRO’s ambitious plans for their first crewed mission, and reveal the discoveries their probes have already made on the surface of the Moon and Mars.


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    29 min
  • Is This JWST’s Most Terrifying Discovery Yet?
    Dec 2 2025

    We might be surrounded by tiny, rhino-mass black holes.


    The James Webb Space Telescope (JWST) has just spotted two black holes that could unlock one of cosmology’s biggest puzzles: how supermassive black holes formed so quickly in the early universe. This discovery challenges our understanding of black hole formation, and suggests primordial black holes could be more common than we thought, maybe even lurking all around us. Should we be worried?▀▀▀▀▀▀

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    17 min
  • What If All the Ice on Earth Melted?
    Nov 27 2025

    What would happen if all the ice on Earth suddenly melted?


    In this video, we’re exploring the hypothetical scenario: what would happen if all of Earth’s ice melted? We look at a world with no polar ice caps, disrupted ocean currents, and continents dramatically redesigned by encroaching coastlines. Is this a total disaster? Could it really happen? And who survives?
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    Want to restore the planet’s ecosystems and see your impact in monthly videos? The first 100 people to join Planet Wild with my code ASTRUM11 will get the first month for free at: https://planetwild.com/r/astrumearth/... If you want to get to know them better first, check out their project using chainsaw detectors to protect old-growth forests: https://planetwild.com/r/astrumearth/...


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    25 min
  • How Did We Misunderstand Galaxies For So Long?
    Nov 25 2025

    In this compilation of Astrum videos, we're exploring galaxies across the cosmos. From our own Milky Way to the most distant reaches of the universe, we'll discover how these colossal structures form and evolve, observe stunning images of galaxies captured across vast stretches of space and time, and uncover remarkable new discoveries in our own galactic home.▀▀▀▀▀▀

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    1 h et 33 min
  • Everything You Need To Know About the Life of a Star
    Nov 22 2025

    This Astrum compilation explores stars like our sun. Where do they come from? What makes them different from each other? And what’s happening deep inside them? Featuring breathtaking images from Hubble, we’re uncovering the physics that lights up the universe. ▀▀▀▀▀▀

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    51 min
  • NASA's Stunning Discovery on Pluto's Largest Moon
    Nov 20 2025

    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.▀▀▀▀▀▀

    If you love learning about science as much as I do, head to http://brilliant.org/astrum to start for free. You'll also receive 20% off a premium annual subscription, giving you unlimited access to everything on Brilliant.▀▀▀▀▀▀

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    24 min
  • What They Didn't Teach You at School About Andromeda
    Nov 18 2025

    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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    21 min