Universe Today Podcast

[Q&A] True Color of Sunspots, Saving the Earth, Identifying Interstellar Objects

Listen Later

How many stars did our radio signals reach? How to visualize the expansion of the Universe? Can we save the Earth from the Sun's red giant phase? How can we tell that an object has interstellar origin? All this and more in this week's Q&A!

🦄 Support us on Patreon: https://patreon.com/universetoday

  • 00:00 Start
  • 01:02 [Tatooine] If the Sun is white, are sunspots really black?
  • 05:19 [Coruscant] How many stars did our radio signals reach?
  • 08:51 [Hoth] How do gravitational assists work?
  • 11:43 [Naboo] How to visualize the expansion of the Universe?
  • 13:35 [Kamino] How will the Mars sample return mission find all the dropped tubes?
  • 16:27 [Bespin] Can Earth survive the Red Giant phase of the Sun?
  • 20:16 [Mustafar] What effect will a supernova have on nearby stars?
  • 21:51 [Alderaan] Should the US continue to explore space?
  • 24:16 [Dagobah] Can we time travel with a wormhole?
  • 26:59 [Yavin] What killed the Chinese Mars rover?
  • 29:32 [Mandalore] How does light pollution work?
  • 33:04 [Geonosis] How can we tell that an object is interstellar?

    • 📺 VIDEO VERSION

    https://youtu.be/izgLlgeJH-0

    📰 EMAIL NEWSLETTER

    Read by 55,000 people every Friday. Written by Fraser. No ads.
    Subscribe. It's FREE: https://universetoday.com/newsletter

    🎧 PODCASTS

    Universe Today: https://universetoday.fireside.fm/
    Weekly Space Hangout: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/
    Astronomy Cast: http://www.astronomycast.com/

    🤳 OTHER SOCIAL MEDIA

    Twitter: https://twitter.com/fcain
    Twitter: https://twitter.com/universetoday
    Facebook: https://facebook.com/universetoday
    Instagram: https://instagram.com/universetoday

    📩 CONTACT FRASER

    [email protected]

    ⚖️ LICENSE

    Creative Commons Attribution 4.0 International (CC BY 4.0)

    Support Universe Today Podcast

    ...more
    View all episodesView all episodes
    Download on the App Store
    Universe Today PodcastBy Fraser Cain
    • 4.7
    • 4.7
    • 4.7
    • 4.7
    • 4.7

    4.7

    512 ratings

    More shows like Universe Today Podcast

    View all
    Planetary Radio: Space Exploration, Astronomy and Science by The Planetary Society

    Planetary Radio: Space Exploration, Astronomy and Science

    1,340 Listeners

    Astronomy Cast by Fraser Cain and Dr. Pamela Gay

    Astronomy Cast

    2,865 Listeners

    The 365 Days of Astronomy by 365DaysOfAstronomy.org

    The 365 Days of Astronomy

    336 Listeners

    Ask a Spaceman! by Paul M. Sutter

    Ask a Spaceman!

    804 Listeners

    Space Nuts: Astronomy Insights & Cosmic Discoveries by Professor Fred Watson and Andrew Dunkley

    Space Nuts: Astronomy Insights & Cosmic Discoveries

    221 Listeners

    SpaceTime: Your Guide to Space & Astronomy by Stuart Gary

    SpaceTime: Your Guide to Space & Astronomy

    318 Listeners

    Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas by Sean Carroll | Wondery

    Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

    4,133 Listeners

    Daniel and Kelly’s Extraordinary Universe by iHeartPodcasts

    Daniel and Kelly’s Extraordinary Universe

    2,303 Listeners

    The Supermassive Podcast by The Royal Astronomical Society

    The Supermassive Podcast

    287 Listeners

    Why This Universe? by Dan Hooper, Shalma Wegsman

    Why This Universe?

    363 Listeners

    This Week in Space (Audio) by TWiT

    This Week in Space (Audio)

    135 Listeners

    The LIUniverse with Dr. Charles Liu by theliuniverse

    The LIUniverse with Dr. Charles Liu

    49 Listeners

    Astrum Space by Astrum

    Astrum Space

    126 Listeners

    The Astrophysics Podcast by Paul Duffell

    The Astrophysics Podcast

    43 Listeners

    Crash Course Pods: The Universe by Crash Course Pods, Complexly

    Crash Course Pods: The Universe

    295 Listeners