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PodcastsAstronomiSEA: Space Exploration & Astronomy

SEA: Space Exploration & Astronomy

SEA
SEA: Space Exploration & Astronomy
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42 episoder

  • SEA: Space Exploration & Astronomy

    Engine Black Holes: The Most Massive Objects in the Universe

    02.08.2026 | 30 min.
    Lying at the cores of most large galaxies, do we find the “largest” type of object in the universe- a supermassive “engine” black hole. They almost always have masses many millions of times that of the sun, while the biggest grow to tens of billions. Exactly what was responsible for seeding these great engines, and building up their immense sizes, is a challenge only the James Webb Telescope can rise to.

    MUSIC:
    The majority of tracks in this video are royalty-free tracks from Storyblocks. Exceptions are listed.
    - The Second One | Enzo Orefice
    - Falling | Elfiz
    - Haunting Atmospheric Si-Fi Sounds… | Gerardo Garcia Jr
    - Meditation Vibes | Sleeping Ghost
    - Voice | Elfiz
    - Incarnation | Scott Buckley Scott Buckley’s track can be found on his website: https://www.scottbuckley.com.au/2024/10/new-library-track-incantation/

    CHAPTERS:
    00:00: The Most Massive Objects
    01:48: The Cosmic Dawn
    05:33: Primordial Black Holes
    07:02: Direct Collapse
    09:07: Distant Supermassive Black Holes
    13:35: Webb Telescope’s Findings
    16:34: The Biggest Black Holes
    21:31: The Distant Future
    23:12: The End of the Universe
    25:13: Hawking Radiation
    28:22: Exploding Black Holes!
  • SEA: Space Exploration & Astronomy

    Lost Worlds in the Dark

    26.07.2026 | 31 min.
    Laced within the cold, desolate swathes of the space between stars, lie myriad orphaned planets not tethered to a particular system. They are lost worlds floating in the dark, and there are likely tens of billions in the Milky Way galaxy alone. Today, we will journey through the galaxy in search of these lost worlds in the darkness of interstellar space, and sometimes even, intergalactic space.

    SOUNDTRACK (In order of appearance):
    - Guided Meditation | Jon Presstone
    - A Creepy Atmospheric | Unknown, Storyblocks Media
    - Alkaidia Obscured Calls | Bzur
    - Curve | CO.AG Music (https://youtu.be/3uYCzfzmh68?si=3fRFV9NNxM7y6V3y)
    - Crystal Ray (Cinematic Ambient) | Park Randoux
    - Ethereal Light Waves | Jon Presstone
    - Transcendent Bliss | Jon Presstone
    - The Slow Passage of Time | Jon Presstone
    - A New Galaxy | Jayson Wayne Brown

    CO.AG Music's Channel: https://www.youtube.com/@co.agmusic

    CHAPTERS:
    00:00: In the Space Between Stars…
    02:00: Rogue Planets
    07:19: Failed Stars
    09:26: James Webb Telescope’s JUMBO Discovery
    13:31: Sedna
    16:05: ETNOs
    19:07: Planet 9?
    22:22: How was Planet 9 Lost?
    25:30: The Ongoing Search for Planet 9
    28:23: A New Candidate?
  • SEA: Space Exploration & Astronomy

    The Fundamental Forces of Nature

    19.07.2026 | 42 min.
    The universe as we experience it is rendered by myriad physical processes and interactions, but they all can be boiled down to one of four fundamental forces of nature. Gravity is one of these fundamental interactions, while the visible light we observe makes up part of another. And by understanding all four, we can gage comprehensive insights into our reality, from its tiniest particles to its largest galaxies.

    SOUNDTRACK:
    - Lavender | CO.AG Music (https://youtu.be/9CI7_qZay8g?si=RmeHPTy7QCgMvz3W)
    - Dark Undertones | CO.AG Music (https://youtu.be/nk6UosTVZZ8?si=OmDZIatdv5k_oDqK)
    - Haunted Cave | Efliz (Storyblocks Media)
    - Lucid | Michael Vignola (Storyblocks Media)
    - Abandoned Town | Efliz (Storyblocks Media)
    - Awareness Fades First Movent | CO.AG Music (https://youtu.be/NIh86kMK91U?si=Oqv7RsxupKDtrFQo)
    - Deep Meditation | Giuseppe Rizzo (Storyblocks Media)
    - Dreaming Blue | Sextile (YouTube Audio Library)
    - Her Eyes Just Shine | Humans Win (Storyblocks)
    Check out CO.AG's Channel: https://www.youtube.com/@co.agmusic

    CHAPTERS:
    00:00: Four Fundamental Forces
    03:14: The Nature of Gravity
    07:06: The Grand Unified Force
    10:37: Electroweak Epoch
    13:06: The Strong Force
    16:38: The Weak Force
    19:27: Neutrinos & the Lepton Epoch
    23:51: Let There Be Light
    28:28: The Radio Spectrum
    30:55: Optical Wavelengths
    36:30: Ionizing Radiation
    40:33: The End
  • SEA: Space Exploration & Astronomy

    The Sound of Space

    12.07.2026 | 34 min.
    What is the Sound of Space? The idea that it is a silent vacuum, completely devoid of any noise, is somewhat a misconception. And though sound as humans hear it can't travel in space, there are several way in which we can extract the anthems of the cosmos. And in this video, we'll be doing just that, as we embark on a journey of Sound in Space.

    SOUNDTRACK:
    - Uranus Sounds: https://youtu.be/yXfJG1gs3b4?si=zbgOABUBuLOtufgO
    - The Neptune Sounds: https://youtu.be/rwnpXll_A_E?si=sxZqKfccykjGixWZ
    - Jupiter Sounds (So Strange): https://youtu.be/e3fqE01YYWs?si=hIYAcZF1U7mRMMpY
    - Saturn: https://youtu.be/eVfkW9oxhIk?si=1w8tIgRNir342LvF

    - "Carpe Diem" - CO.AG Music: https://youtu.be/iuMBV3j55-I?si=gGwaRE5Hsgxm40rU
    - "Scrooge Ice Mix" - CO.AG Music: https://youtu.be/C9jFL_6raL8?si=kKR-3t6i46kGJF7d
    CO.AG's Channel: https://www.youtube.com/@co.agmusic

    - "Does it Exist or Do I Have to Create It" - Chris Zabriskie (Creative Commons Licence 4.0)
    Link: https://chriszabriskie.bandcamp.com/track/does-it-exist-or-do-i-have-to-create-it
    Artist: https://www.chriszabriskie.com/

    CHAPTERS:
    00:00: A Journey of Sound
    01:17: Sound in Science
    06:14: Whistler-Mode Waves
    08:51: Sound of the Sun
    11:25: Sounds from Terrestrial Planets
    14:38: Sounds from Giant Worlds
    17:48: Voyager Sounds from Deep Space
    19:36: Pulsars
    21:54: Gravity Waves
    25:06: Sonifications of Visual Data
    31:52: The True "Sound" of the Universe
  • SEA: Space Exploration & Astronomy

    Do We Live in a Multiverse?

    05.07.2026 | 34 min.
    Are we living in a multiverse? If so, where are all the other universes? Scientists and philosophers have pondered these questions for centuries, as they contemplated the possibility of parallel universes. The multiverse theory is not often discussed by cosmologists, due to its speculative and untestable nature. However, there are myriad different interpretations depicting how a multiverse might manifest, some of which we may be detectable within our own universe. So buckle up, because in this video we will be leaving the galaxy entirely, as we take on the biggest question of them all- the question of whether our universe is the only one.

    SOUNDTRACK (In Order):
    1. Cold Aegean Waters | Humans Win
    2. Meditative Bliss | Humans Win
    3. Wholesome Waves | Humans Win
    4. Blue Aukai | Humans Win
    5. Zen Garden Whispers | Humans Win
    6. Mindfulness Focus Meditation Podcast | Music Media Group
    7. Calming Ombre | Humans Win
    8. Shadows and Dust (Scott Buckley)

    The track by Scott Buckley was provided via a Creative Commons Attribution licence, which allows reuse where credit is given. Scott Buckley's website and library can be found at the following link: https://www.scottbuckley.com.au

    CHAPTERS:
    00:00: The Biggest Question of Them All
    03:08: Infinite Cosmos (Level 1 Multiverse)
    06:53: Cosmic Inflation
    10:09: Post-Inflationary Bubbles (Level 2)
    12:46: Cyclical Multiverse (Level 2)
    16:45: Fecund Multiverse (Level 2)
    20:27: String Theory Landscape (Level 2)
    24:15: Quantum Theory
    26:52: Quantum Multiverse (Level 3)
    29:17: Mathematical Multiverse (Level 4)
    31:24: Simulated Reality (Level 4)
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Om SEA: Space Exploration & Astronomy
I make chilled-out "info-tainment" videos on all-things space related, from the moment of the Big Bang to the end of the universe itself- and everything in between. No AI, written, recorded and produced by a real human. New episodes every Sunday!
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