Mysteries of the Outer Solar System with Dr. Steven Desch

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  • เผยแพร่เมื่อ 13 ธ.ค. 2024

ความคิดเห็น • 151

  • @Arcanine1995
    @Arcanine1995 ปีที่แล้ว +396

    Can we just take a moment to appreciate how JMG doesn't litter his videos with annoying sponsors and ad-breaks

    • @bandersong4650
      @bandersong4650 ปีที่แล้ว +18

      One of the best channels

    • @Stringmaster413
      @Stringmaster413 ปีที่แล้ว +16

      Don't jinx it 😮😅

    • @Liquoricilicious
      @Liquoricilicious ปีที่แล้ว +14

      That’s why I can fall asleep to this as a poor student

    • @Herschel3991
      @Herschel3991 ปีที่แล้ว +22

      I dont mind a sponsor if it pays the bills and allows making more of what I enjoy. I do appreciate the ad free experience tho

    • @RonMcmurry
      @RonMcmurry ปีที่แล้ว +2

      100%.

  • @poughkeepsieblue
    @poughkeepsieblue ปีที่แล้ว +50

    John, your guests are not only the best in their field, but the most enthusiastic. Theyre always willing to talk, and your show is all about asking the right questions, and letting the guest spill their guts, about what they are passionate about.
    I understand and respect that, because i, as a professional in my own field, who is passionate about what i do, feel their passion in my soul.
    Good show bro.

  • @poughkeepsieblue
    @poughkeepsieblue ปีที่แล้ว +10

    "...if you just ask them nicely..." Homie earned my respect for his lighthearted take on his own craft, right at the start.
    If you cant go to work, and have a good time, why go to work? I like how he already shared a small piece, that most wont understand, right off the line.

  • @alexaa928
    @alexaa928 ปีที่แล้ว +5

    0:14: 🌌 Steve Dash, an astrophysicist, discusses the use of meteorites to understand the formation of the solar system.
    5:47: 🌌 The video discusses the melting process of asteroids and the use of uranium-led dating to determine when these events occurred.
    10:57: 🌍 The absence of Jupiter during Earth's formation could have led to more life-bearing elements on the surface, but also potentially more impacts.
    15:55: 🌍 The video discusses the presence of methane and other compounds in the atmospheres of exoplanets as potential indicators of a biosphere.
    21:23: 🌱 The red edge phenomenon in plants is a universal sign of photosynthesizing life.
    26:24: 🌌 The collision and migration of Neptune caused Haumea to spin faster, resulting in the formation of its family members.
    31:35: 🪐 The possibility of a ninth planet in our solar system is intriguing and plausible.
    37:05: 🌌 During the early stages of the solar system, collisions between Kuiper Belt objects and the migration of Neptune would have generated trillions of fragments, sandblasting the surfaces of thousands of Pluto-like objects.
    42:26: 🌌 The video discusses the use of uranium-led dating system to determine the age of objects in meteorites and the formation of chondrels and calcium aluminum-rich inclusions (CAIs) in the early solar system.
    Recap by Tammy AI

  • @AwsAlSamarrie
    @AwsAlSamarrie ปีที่แล้ว +20

    Listening to this channel is always one of the positive things of my week

  • @maxirons709
    @maxirons709 ปีที่แล้ว +16

    These episodes bring me so much joy and comfort. Thank you so much JMG.

  • @DrumToTheBassWoop
    @DrumToTheBassWoop ปีที่แล้ว +1

    Stellardrone - Ascent
    ..really gets the mind thinking.

  • @otgv
    @otgv 9 หลายเดือนก่อน +1

    Greetings from Finland! Thanks for your great show with great guests, been listening a lot of it this winter. Love the enthusiasm towards science! All the content makes existence a lot more fascinating 🙏

  • @prdude1234
    @prdude1234 ปีที่แล้ว +15

    Great episode! Listened to it while prepping dinner and Desch had me listening to his every word. The questions were all great too and flowed perfectly.

  • @cavetroll666
    @cavetroll666 ปีที่แล้ว +8

    Thanks for the videos John cheers from Toronto

  • @brinehound
    @brinehound ปีที่แล้ว +8

    Every time I listen to this gem of a channel, I learn something utterly new an fascinating. JMG brings his listeners topics of research not covered by the mainstream. More people need to listen to Event Horrizon!

  • @zzscotty
    @zzscotty ปีที่แล้ว +5

    Good explanation of the red edge and the fact that this might be more common on planets where there is photosynthesis since it keeps plants from getting too hot.

  • @ianbird4737
    @ianbird4737 ปีที่แล้ว +5

    I had an "Ah ha" moment whilst listening to this interview. "The migration of Neptune destabilsed the Kuiper belt." I am presuming that material that then fell into the inner solar system is the source of the Late Heavy Bombardment. I had always been rather blank about the why the LHB had occured.

  • @Bk77183
    @Bk77183 ปีที่แล้ว +6

    John Michael is awesome love his vids on his channel!

  • @MortimerSugarloaf
    @MortimerSugarloaf ปีที่แล้ว +10

    I'm diving brain first into the event horizon 🧠 🕳

  • @finldavi
    @finldavi ปีที่แล้ว +2

    Excellent interview. Probably rthe best of the past few months. Verry engaging.

  • @andyoates8392
    @andyoates8392 ปีที่แล้ว +4

    Drifting off into the outer solar system.
    Thank Possum it’s Thursday.
    💚♾️

  • @thakyou5005
    @thakyou5005 ปีที่แล้ว +1

    Holy cow! I was listening to your event horizon shows hours ago! Basically when you uploaded this video

  • @sirhcduhomage
    @sirhcduhomage ปีที่แล้ว +1

    Next time he's a guest, could you ask more about the early solar electric fields and current heliospheric properties. I often wonder if they're related.

  • @MagicSpaceWizard
    @MagicSpaceWizard ปีที่แล้ว +1

    Love all of this, but the very end made me laugh. Great stuff as usual man.

  • @stricknine6130
    @stricknine6130 ปีที่แล้ว

    Interesting interview! Thanks!

  • @amangogna68
    @amangogna68 ปีที่แล้ว +1

    Great video and information !

  • @perryrhodan1364
    @perryrhodan1364 ปีที่แล้ว

    Exceptional interview.

  • @quetzalcoatlz
    @quetzalcoatlz ปีที่แล้ว

    Hope you get to interview Issiac Arthur one day. Would be such an interesting interview

  • @gunnargeroy8406
    @gunnargeroy8406 ปีที่แล้ว +1

    Shoutout my boy Farfar out

  • @JonnoPlays
    @JonnoPlays ปีที่แล้ว +2

    Dude's outlook notifications were really triggering me 😅 I really enjoyed what the guest had to say though. I think I even understood some of it!

  • @reallynotrob4897
    @reallynotrob4897 ปีที่แล้ว +3

    “Welcome to the program”
    “Meh”
    Is that what I heard?

    • @preppen78
      @preppen78 ปีที่แล้ว

      Sounded more like a censored "F*** me" :D

  • @brentwilbur
    @brentwilbur ปีที่แล้ว

    My question may be unrelated, but something the good doctor said gave me a thought: is it possible that Earth is a chthonian world? Are there any molecules here that could only have formed under pressures that Earth doesn't presently have the mass to produce?

  • @harryjones5260
    @harryjones5260 ปีที่แล้ว +1

    9:45 still in the inner solar system

  • @synx6988
    @synx6988 ปีที่แล้ว

    what is that sound at 10:00 ?

  • @js70371
    @js70371 ปีที่แล้ว +4

    I always get my best sleep on Thursday nights. Thank you JMG!!
    💫🙏☮️🍻

  • @OShackHennessy
    @OShackHennessy ปีที่แล้ว +2

    I hit the like button before the opening ad was finished

  • @dancingwiththedogsdj
    @dancingwiththedogsdj ปีที่แล้ว +1

    Anna is the best! 😁 Great video as always! Be safe out there y'all and thank you for doing what you do! 🍻🌎♥️🎶🕺

  • @DavidEvans_dle
    @DavidEvans_dle ปีที่แล้ว +4

    I'm glad Dr. Steve Desch knows to ask his meteor experiment "nicely" to get his answers.
    Researchers who ask their LK-99 samples very rudely. Well let's say they got what they deserved.🤪

  • @mikeyoung9810
    @mikeyoung9810 ปีที่แล้ว

    You two are so funny at the end. Anna :)

  • @lib8884
    @lib8884 ปีที่แล้ว +4

    I dont want to be crude but id much rather hear discussion about the talk then the sucking up to amazing JMG 😂

  • @mattfarrar2661
    @mattfarrar2661 ปีที่แล้ว

    I have a question, do all stars rotate in the same direction? If not, what determines that?

    • @anno5936
      @anno5936 ปีที่แล้ว +1

      Guess it is possible that some rotate counter but I almost doubt that we currently have the tech to proof/observe that.
      Not being an expert but my intuition would say outliers in the same way as Venus are possible by various circumstances, but the majority I guess would still follow a direction due to the momentum of a spinning galaxy

    • @Dragrath1
      @Dragrath1 ปีที่แล้ว +1

      Do all stars rotate in the same direction? No
      Is there a preferential direction of rotation among stars in the Milky Way? There does appear to be a bias towards counter clockwise in motion through the Milky Way galaxy which isn't surprising given that that is the overall net direction of gas and dust within the disk of the galaxy. Thus from conservation of angular momentum we might expect there to be a similar bias in the direction of rotation for compact objects as their net angular momentum from formation would be a sub component of the larger Milky Way galaxy.
      AT the galaxy level the odds of clockwise or counterclockwise net rotation seems to be an even split but the Milky Way has Counter Clockwise(CCW) rotation.
      In fact many of the outliers which are rotating in the opposite direction share distinct properties like inclination eccentricity age distribution and metallicity suggesting they are transplant populations from a galaxy which merged with the Milky Way at some point in the distant past.
      Ultimately the bias in direction comes from the conservation of angular momentum in both its orbital and spin axis forms.

  • @tanman7627
    @tanman7627 ปีที่แล้ว

    long time sub....the Ads are OUT OF CONTROL

  • @Luminious789
    @Luminious789 ปีที่แล้ว

    Took 5 days for me to see this!

  • @PvtSchlock
    @PvtSchlock ปีที่แล้ว

    Less exoplanet, more Oort cloud! Chop chop!

  • @bozo5632
    @bozo5632 ปีที่แล้ว

    If nitrogen ice sheets are normal and natural, why was the first one we ever saw an interstellar object?
    Were people talking about nitrogen ice sheets before Oumuamua, or is it maybe ad hoc?

    • @Dragrath1
      @Dragrath1 ปีที่แล้ว +1

      Its not even settled that that was what Oumuamua is since its ambiguous but I am curious about the history on this after all compared to hydrogen nitrogen is relatively scarce. The main problem the nitrogen iceberg model has is that its difficult to get such an object in the local standard of rest frame as statistically its unlikely for the stellar and ejection trajectories to cancel each other out enough to appear to be in that frame of reference.

    • @pavel9652
      @pavel9652 3 หลายเดือนก่อน

      I see you are regular here ;) Pluto has considerable amount of nitrogen ice. Titan's atmosphere is made mostly of nitrogen, but with a surface pressure 50% higher than Earth's.

  • @ivanzzz7610
    @ivanzzz7610 ปีที่แล้ว

    background picture in the first minute of this video is background pic on my laptop for many years...sunrise from space

  • @ggtgp
    @ggtgp ปีที่แล้ว

    A micro nova every 12,000 years would melt the chondrites.

  • @everett8948
    @everett8948 ปีที่แล้ว

    Hey John what's up, really enjoying the video, however, you should pull your guests aside and tell him to do something about that irritating chime that keeps sounding, makes me think there's an emergency broadcast coming through LOL!

  • @davidleeconnellys1027
    @davidleeconnellys1027 ปีที่แล้ว

    I don’t believe that only 86 comments are here…this is my science education and homework all in one…hardly wAit till my daughter and I are listening together 😂😊😊😊😊

  • @GueranJones-x7h
    @GueranJones-x7h ปีที่แล้ว

    I LIKE THE GRAPHICS MADE BY THE ARTISTS, BUT ARE THE GRAPHICS AN ACCURATE PICTURE? URANUS BLEW MY MIND WHEN I LEARNED IT ROTATES ON ITS "SIDE" AND A MOON ROTATES OPPOSITE OF URANUS'S ROTATION!!! ANOTHER QUESTION,WHAT MAKES A PLANET ROTATE WHILE ITS MOON DOES NOT. OR CAN ITS MOON ROTATE WHILE ITS PLANET DOES NOT? i'VE READ JUPITOR IF IT WAS 13% LARGER IT WOULD GLOW LIKE A SUN, IS THAT TRUE? HOW MANY MINERALS ARE ASTEROIDS MADE FROM? CAN COMPANIES MINE ASTEROIDS?

  • @GentlePiano-99
    @GentlePiano-99 หลายเดือนก่อน

    GOOD

  • @SnifferRiffle
    @SnifferRiffle ปีที่แล้ว

    Dark matter is null inert matter that the fabric of space is made of, but instead of thinking of space as a fabric think of it as a very viscus liquid made of particles to small they have to be measured in the Planck length. That is dark matter. Dark energy is the flow of these particles throughout the universe. Gravity is large amounts of matter warping this fluid. Gravitational waves are the ripples caused by matter moving through the fluid. Static electricity and electromagnetism is what causes matter to attract itself to other matter and at a certain point the orbital mechanism takes over once objects become massive enough. There is no such thing as empty space or vacuum. Electromagnetic waves can travel through the void of space because it uses dark matter as a medium to traverse through.

  • @indayloveschocolate
    @indayloveschocolate ปีที่แล้ว +1

    What is the name of the women who opens this program?

    • @AndrewBlucher
      @AndrewBlucher ปีที่แล้ว

      The name for the voice is Anna.
      And now check the credits :-)

  • @TheRedneckGamer1979
    @TheRedneckGamer1979 ปีที่แล้ว

    ya need to order your playlists from newest to oldest not the other way around.

  • @bozo5632
    @bozo5632 ปีที่แล้ว

    Earth plants are green. But they used to be purple. So why a red edge not a green edge?

  • @peacepoet1947
    @peacepoet1947 ปีที่แล้ว

    How come Saturn's largest moon has lakes of methane?

  • @stuart207
    @stuart207 ปีที่แล้ว

    Just a little more material and our system could have easily been a binary. Without us 😂

  • @Infected.
    @Infected. ปีที่แล้ว

    Steve desch welcome to the program, meh.
    Anyone else noticed that haha

  • @johnathanmann1120
    @johnathanmann1120 ปีที่แล้ว +3

    We have a 9th planet, Pluto.

    • @dr.zoidberg8666
      @dr.zoidberg8666 ปีที่แล้ว +2

      If Pluto's a planet then we have at the very least 10 planets, because Eris is bigger than Pluto. Realistically, we'd probably have 18+ planets, because it'd be difficult to let Pluto in without letting basically all of the rest of the dwarf planets in.

    • @Jellyman1129
      @Jellyman1129 ปีที่แล้ว

      ⁠@@dr.zoidberg8666False, Pluto is larger than Eris. And while we would have dozens of more planets being added beyond Pluto, what’s the problem with that? These objects are planetary and should be recognized as planets. In fact, they ARE recognized as planets by experts.

    • @gasperstarina9837
      @gasperstarina9837 ปีที่แล้ว +1

      @@Jellyman1129they are, as dwarf planets...there has to be at least this distinction in between giants, Pluto actually is very small celestial body... brown dwarfs are still stars right? But compare it with white giant and you will see why they are called as they are..

    • @Jellyman1129
      @Jellyman1129 ปีที่แล้ว

      @@gasperstarina9837 Technically, you’re right. But what many people fail to realize is that the IAU has explicitly stated multiple times that dwarf planets are NOT planets. They’re a completely distinct class of object. Even then, there are so many dwarf planets that haven’t been recognized as such by the IAU. Gonggong, Sedna, Orcus, and Quaoar are absolutely dwarf planets, so why aren’t they recognized? And the IAU hasn’t even addressed what brown dwarves are, let alone rogue planets.
      The experts who study planets for a living recognize dwarf planets as a category of full-fledged planets, analogous to dwarf stars and dwarf galaxies. They also recognize brown dwarves as stars because they’re called brown DWARVES, meaning dwarf STAR. If they were planets, they’d be called brown giants. Rogue planets are also planets because why wouldn’t they be?
      The IAU definition is just a mess and falls flat in nearly every aspect. So when people still refer to Pluto, Eris, Haumea, Makemake, Orcus, Gonggong, Quaoar, Sedna, Ceres, and many more, as planets (dwarf or not), it’s based on scientific rationale, not just an emotional attachment.

    • @pavel9652
      @pavel9652 3 หลายเดือนก่อน

      Jellyman, it seems you are emotionally attached. The definitions are very simple, quote from NASA.
      The IAU therefore resolves that planets and other bodies, except satellites, in our Solar System be defined into three distinct categories in the following way:
      A planet is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighborhood around its orbit.
      A 'dwarf planet' is a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, (c) has not cleared the neighborhood around its orbit, and (d) is not a satellite.
      All other objects, except satellites, orbiting the Sun shall be referred to collectively as 'Small Solar System Bodies.'"

  • @nossy232323
    @nossy232323 ปีที่แล้ว

    Steven Desch the Avi Loeb hater number 1.

  • @PoppabearsCave
    @PoppabearsCave ปีที่แล้ว

    Bah like #399 my ocd is acting up

  • @peacepoet1947
    @peacepoet1947 ปีที่แล้ว

    Don't forget about the planet that crashed into the Earth to form the moon.

    • @peacepoet1947
      @peacepoet1947 ปีที่แล้ว

      @@el_t4931 the capture theory doesn't have a chance. We have the theory of more planets were part of the original solar system where different planets were changing positions and one planet rotates backwards compared to other planets. Another planet is on it's side. Bob Dylan had a song about God playing marbles with HIS planets.

    • @aprylvanryn5898
      @aprylvanryn5898 ปีที่แล้ว +1

      Idk about God or marbles but the moon and the earth are both made out of the same stuff in the same consistency which implies that they were both formed out of the same stuff. It may not be confirmed but without a better idea it seems like the most reasonable hypothesis

    • @peacepoet1947
      @peacepoet1947 ปีที่แล้ว

      @@aprylvanryn5898 I agree with you.

    • @peacepoet1947
      @peacepoet1947 ปีที่แล้ว

      @@el_t4931 you actually believe that the moon is artificial?

    • @peacepoet1947
      @peacepoet1947 ปีที่แล้ว

      @@el_t4931 didn't you say that there was another way the moon was created? If it wasn't a captured and it wasn't because a different planet smashed into Earth to create the moon.. if it wasn't one of those two which you implied didn't happen in your opinion. You challenged my comment.

  • @GueranJones-x7h
    @GueranJones-x7h ปีที่แล้ว

    YOU PHYSICIST THROW OUT "A BILLION HERE AND A BILLION THERE, LIKE YOUR GIVING AWAY CHANGE IN A CANDY STORE. ONE LIGHT YEAR IS SIX TRILLION MILES. YOU GUYS SAY THE NEAREST STAR IS TWO OR THREE LIGHT YEARS, HOW CAN YOU PHYSICISTS CONVEY THESE TIME SCALES AND DISTANCES FOR US CURIOSITY SEEKERS?

    • @pavel9652
      @pavel9652 3 หลายเดือนก่อน

      Factor of two in astronomy means your are spot on, basically.

  • @b.griffin317
    @b.griffin317 ปีที่แล้ว +3

    Is this the same Desch who poo pooed Avi Loeb finding an interstellar meteor off Papua New Guinea?

    • @olencone4005
      @olencone4005 ปีที่แล้ว +1

      Nope, it's the same Desch who poo pooed Avi Loeb's claims of finding alien technology off Papua New Guinea.
      The idea of an interstellar meteor was very widely accepted, considering all the evidence for it. It's Loeb's wild claims in several different interviews of the spherules he found being "most likely a technological gadget with artificial intelligence" or part of "a spacecraft from another civilization" that has made Desch (and most everyone else with experience in the field) shake their head in disappointment.
      Desch noted that Loeb's conjecture was "a real breakdown of the peer review process and the scientific method, and it’s so demoralizing and tiring" -- and I for one agree with him completely.
      Loeb's interviews are the only episodes of Event Horizon that I have begun to dislike and skip, because the man pushes some of the most extreme ideas without a single iota of evidence, peer reviewed verification, or consultation with other subject-matter experts in the field. And that's not science, it's just science-fiction.

    • @gagarinone
      @gagarinone ปีที่แล้ว

      @@olencone4005 Science begins with science-fiction.

    • @SiriusSphynx
      @SiriusSphynx ปีที่แล้ว +4

      If I'm not mistaken I don't believe it's been proven that it was Interstellar. Just saying, being poo pooed is part of the process.

    • @adastraaeternum4039
      @adastraaeternum4039 ปีที่แล้ว +3

      Avi's jumped the shark so much he's becoming the new version of the Weekly World News

    • @olencone4005
      @olencone4005 ปีที่แล้ว +2

      @@gagarinone Nope! Science begins with data and observations. Science-fiction begins with a storyteller who uses science in their story. Science would exist just fine without science-fiction.

  • @dnimon936
    @dnimon936 ปีที่แล้ว

    and here's where science goes wrong.......notice the shift from "we can infer" to "we know!" between 2.30 and 3 minutes at the very start of this video..........................

  • @steviejustamann9689
    @steviejustamann9689 ปีที่แล้ว

    10 x more water than earth is 10 x 70% is more than 100% ??? oh, i get it, the water is very deep . It is already known that the physics is very different in other solar systems. Accretion of planets is a fantasy. Love to all .

    • @pavel9652
      @pavel9652 3 หลายเดือนก่อน

      Before you publish baseless claims redo math classes, because what is fantasy is your understanding of arithmetic.

  • @tanman7627
    @tanman7627 ปีที่แล้ว

    I've been a member for a long time.
    your Ads are enough to make me unsubscribe

    • @EventHorizonShow
      @EventHorizonShow  ปีที่แล้ว +2

      We’ve put less ads on recent episodes. How many are you getting?

    • @pavel9652
      @pavel9652 3 หลายเดือนก่อน

      Good riddance, since you didn't contribute any meaningful conversations.

  • @longlakeshore
    @longlakeshore ปีที่แล้ว +1

    I like that we're finally adding planets to the solar system albeit as dwarf planets. Ceres should have been added long ago. 🪐

  • @glorymanheretosleep
    @glorymanheretosleep ปีที่แล้ว +1

    What was that windows beep happening in the video? Was annoying, it's on your end probably. A lot of your videos have that sound coming in.