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PBS Space Time

PBS
Quantum Mechanics
Dark Matter
Black Holes
General Relativity
Dark Energy
Gravitational Waves
Quantum Gravity
LIGO
Quantum Entanglement
Primordial Black Holes
Cosmology
Hawking Radiation
Many Worlds Interpretation
Higgs Boson
Cosmic Microwave Background
Standard Model
Cosmic Rays
Quantum Chromodynamics
Graviton
Planck Length

Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth with our astrophysicist host: Matthew O’Dowd. For all business inquiries and sponsorship opportunities please reach out to: pbsspacetime@lighthouseagents.com Matt O'Dowd spends his time studying the universe, especially really far-away t... more

PublishesDailyEpisodes168Founded4 months ago
Number of ListenersCategories
EducationScienceAstronomy

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Artwork for PBS Space Time

Latest Episodes

Learn More About Opera One: opr.as/Opera-browser-PBS-Space-Time

PBS Member Stations rely on viewers like you. To support your local station, go to: to.pbs.org/DonateSPACE

Sign Up on Patreon to get access to the Space Time Discord!

ht... more

PBS Member Stations rely on viewers like you. To support your local station, go to:to.pbs.org/DonateSPACE

Sign Up on Patreon to get access to the Space Time Discord!

www.patreon.com/pbsspacetime

Perhaps you’ve seen videos of how the ... more

To Learn More Languages Check Out: speakly.app.link/Speakly

PBS Member Stations rely on viewers like you. To support your local station, go to:to.pbs.org/DonateSPACE

Sign Up on Patreon to get access to the Space Time Discord!

https:/... more

PBS Member Stations rely on viewers like you. To support your local station, go to: to.pbs.org/DonateSPACE

Sign Up on Patreon to get access to the Space Time Discord!

www.patreon.com/pbsspacetime

We have no idea what dark matter is, ... more

Key Facts

Accepts Sponsors
Contact Information
Podcast Host
Number of Listeners
Find out how many people listen to this podcast per episode and each month.

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Recent Guests

Nigel Braun
Scientist associated with the Nile Red and Nile Blue YouTube channels
Nile Red / Nile Blue
Episode: How Can Matter Be BOTH Liquid AND Gaseous State?
Kelsey Houston Edwards
Mathematician, associated with PBS Infinite Series
PBS Infinite Series
Episode: Black Holes. Dissected. For 1.5 Hours.
Matt Caplan
Physicist who helped co-write the episode
Illinois State University
Episode: What If A Black Hole Dwelt Inside The Sun? | Hawking Stars
Naomi Globus
Co-author of the Globus & Blandford paper on cosmic-ray–driven homochirality
Episode: Why Is All DNA Oriented Rightward?
Roger Blandford
Co-author of the Globus & Blandford paper on cosmic-ray–driven homochirality
Episode: Why Is All DNA Oriented Rightward?
Moya McTeer
PhD astrophysicist and expert in the Galactic Habitable Zone
PBS Fate and Fabled (PBS show)
Episode: What If the Galactic Habitable Zone LIMITS Intelligent Life?
Eric Wallenda
Dutch physicist proposing entropic gravity
Independent researcher
Episode: What If Gravity is NOT An Elementary Force? | Entropic Gravity
Fernando Milgram
Co-writer of that episode
Notus/ MOND framework collaborations
Episode: What If Our Understanding of Gravity Is Wrong?
Matthew Caplan
computational nuclear astrophysicist and long-time Spacetime writer
Episode: RECENT EVIDENCE: Earth Had Rings (and Might Reclaim Them)

Host

Matthew O'Dowd
Host of PBS Space Time; astrophysicist with affiliations at PBS Space Time and Lehman College (CUNY).

Reviews

2.6 out of 5 stars from 5 ratings
  • Great but annoying adverts

    The science and presenter are both great and informative. However, mid sentence an ad pops in totally destroying the flow. Good content marred by very poorly placed advertisements.

    Apple Podcasts
    3
    RussellintheUK
    United Kingdoma month ago
  • Pirated

    Seems like someone just pirated these from YouTube — ads and all.

    Apple Podcasts
    1
    joe_m6
    United States3 months ago
  • Horrible editing

    Jarring, loud ads in the middle of sentences frequently. At least let him finish his sentence.

    Apple Podcasts
    2
    Kressiek
    United States3 months ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Quality of content and host presentation are strong, though ad timing can disrupt flow.
Listeners praise accessible high-level science explanations, but some dislike mid-roll ad interruptions.
Pace and editing sometimes criticized for jarring ad placements and loud spots.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#9
United States/Science/Astronomy
Apple Podcasts
#149
United States/Science
Apple Podcasts
#12
United Kingdom/Science/Astronomy
Apple Podcasts
#16
Canada/Science/Astronomy
Apple Podcasts
#167
United Kingdom/Science
Apple Podcasts
#232
Canada/Science

Talking Points

Recent interactions between the hosts and their guests.

How An Extreme New Star Could Change All Cosmology
Q: What makes ZTF J1901-1458 so unusual compared to typical white dwarfs?
It spins every seven minutes and hosts magnetic fields around a billion times stronger than Earth's, which is far more extreme than standard white dwarf scenarios and hints at a possible merger origin.
The Nature of Space and Time AMA
Q: Does the expansion of the universe imply that space is expanding into something, or is it that space itself is being created and stretched within its own boundary?
The expansion is better thought of as the growth of space itself within the universe's own boundary, not expansion into pre-existing space, with the scale factor increasing and galaxies appearing to move apart due to the stretching of the spacetime grid.
The Nature of Space and Time AMA
Q: Simply, what is the nature of time?
Time emerges from how systems evolve and how entanglement among particles grows; the arrow of time is tied to entropy increase and memory formation, while the fundamental laws are time-symmetric, making our experience of time a consequence of initial conditions and information flow.
Where Is The Center of The Universe?
Q: Does chirality depend on the observer's frame of reference, and what happens if you accelerate to overtake a particle?
Chirality is Lorentz invariant and does not change with frame, although helicity can flip depending on the observer's motion; this distinction explains interactions with the weak force.
Where Is The Center of The Universe?
Q: What particles and interactions existed before the electroweak force split into electromagnetism and the weak force?
Before the split, particles were massless due to the absence of the Higgs mechanism, and the universe contained only a small set of particles like the six quarks and leptons, with isospin states not yet differentiated until symmetry breaking.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
Gender Skew
Location
Interests
Professions
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Frequently Asked Questions About PBS Space Time

What is PBS Space Time about and what kind of topics does it cover?

Space Time dives into astrophysics, cosmology, and the boundaries of science with a charismatic host who translates complex ideas into accessible explanations. Episodes cover topics from galactic evolution and gravitational waves to quantum foundations and speculative tech, often featuring rigorous science moderated by accessible storytelling. A notable strength is the ability to pair deep physics with big-picture questions about the universe, sometimes balancing rigorous analysis with speculative discussion. The show stands out for its thoughtful treatment of difficult concepts, clear presenter voice, and willingness to explore frontier topics that appeal to science-minded listeners, educators, and STEM professionals seeking high-level, en... more

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Which podcasts are similar to PBS Space Time?

These podcasts share a similar audience with PBS Space Time:

1. Astrum Space
2. The Astrophysics Podcast
3. The Joy of Why
4. SpaceTime with Stuart Gary
5. The Quanta Podcast

How many episodes of PBS Space Time are there?

PBS Space Time launched 4 months ago and published 168 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on PBS Space Time?

Recent guests on PBS Space Time include:

1. Nigel Braun
2. Kelsey Houston Edwards
3. Matt Caplan
4. Naomi Globus
5. Roger Blandford
6. Moya McTeer
7. Eric Wallenda
8. Fernando Milgram

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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