How Astronomers Can Use Origami to Find Exomoons

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New research from the Cool Worlds Lab! Join us to learn about a new technique we've developed to search for exomoons - "Transit Origami".
Written and presented by Prof David Kipping of Columbia University
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THANK-YOU to our supporters T. Widdowson, D. Smith, M. Sloan, L. Sanborn, C. Bottaccini, D. Daughaday, A. Jones, S. Brownlee, Z. Star, T. Zanjonc, C. Wolfred, F. Rebolledo, L. Skov, E. Wilson, M. Elliott, B. Daniluk, J. Patrick-Saunders, M. Forbes, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, V. Alexandrov, L. Macchia, C. Souter, M. Gillette, T. Jeffcoat, H. Jensen, F. Linker, J. Rockett, N. Fredrickson, B. Mlazgar, D. Holland, J. Alexander, E. Hanway, J. Molnar, D. Murphree, S. Hannum, T. Donkin, K. Myers, A. Schoen, K. Dabrowski, J. Black & R. Ramezankhani, J. Armstrong, K. Weber, S. Marks, D. Kriha, H. Kruszynski, K. Bjärkefur, A. Koczan, M. Gaal, M. Zaenger & M. Samuels.
::Further Reading::
► Kipping, D. (2021), "Transit Origami: A Method to Coherently Fold Exomoon Transits in Time Series Photometry", MNRAS, In Press: arxiv.org/abs/2108.02903
► Kipping, D. (2020), "The exomoon corridor: Half of all exomoons exhibit TTV frequencies within a narrow window due to aliasing", MNRAS, 500, 1851: arxiv.org/abs/2012.00764
::Music::
Music licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], or via Creative Commons (CC) Attribution License (creativecommons.org/licenses/..., or with permission from the artist
► Brad Hill - Searching [open.spotify.com/album/2oDAnU...]
► Joachim Heinrich - Stratosphere
► Falls - Life in Binary
► Joachim Heinrich - Cassiopeia
► Joachim Heinrich - Y
► Atlas - Waking Up
► Outro is by Tristan Armes - Orio [ / tristan-armes-halo-dri... ]
::Video clips::
► Starry timelapse by Kuba Jurkowski
► NASA animations by footage by NASA's Goddard Space Flight Center, Space Telescope Science Institute’s Office of Public Outreach, NASA/JPL/Caltech and NASA's Scientific Visualization Studio.
► ESO animations ESO, L.Calcada, M. Kornmesser
::Film/TV clips used::
► Avatar (2009) 20th Century Fox
► Prospect (2018) DUST
► Clara (2018) D Films
::Chapters::
00:00 A Dearth of Moons
10:07 Sponsorship
11:12 The Way of Origami
16:31 Where From Here?
17:49 Outro and credits
#Exomoons # TransitOrigami #CoolWorlds

[@CoolWorldsLab]

Thanks so much for watching everybody, and thanks to MorningBrew for sponsoring this video, head to bit.ly/mbcoolworlds to try them out! So let me know if you have thoughts/questions on this new technique and what kind of moons you think might be out there?

[@ZEROmg13]

everything is moving at breakneck speed, esp technology and astronomy. it must be an amazing feeling to contribute to our understanding of the universe and to build on what we knew even 30 years ago. i would love to see where we are in 50, 100, 1000 years from now.

[@wooddogg8]

There's likely more moons than planets out there and your new technique certainly seems promising! Really exited to see if you can pinpoint any of these moons. Your persistence is inspiring!! Love the channel💖

[@CoolWorldsLab]

@@ZEROmg13 it pains me I won’t get to see how our journey of discovery will continue over the centuries….

[@CoolWorldsLab]

@@wooddogg8 I agree, looking at the solar system and simulations, moons are likely all over the place and often more interesting than the planets they orbit

[@quovadis3220]

reminds me to autocorrelation. en.wikipedia.org/wiki/Autocorrelation

[@phrostbit3n]

Dr Kipping, the fact you're making popular science content that manages to outpace my undergrad degree is impressive and laudable. Keep it up, there's a serious problem with science communication right now and you're doing a lot to improve it

[@stevencoardvenice]

@Smee Self He's doin it bro! If I ever meet an astronomer at a party I'm gonna sound like an expert because of this channel. Origami folds and TTVs whatnot

[@stevencoardvenice]

@Smee Self They won't even know about the origami folds, just watch

[@CoolWorldsLab]

Thanks Casey, it really means a lot to hear the effort put into these pays off

[@chance_in_the_chat]

@Smee Self ]⁰

[@SonicBoone56]

@Smee Self damn right

[@fwd79]

"Astronomy teaches you how short and precious our lives are". - Professor David Kipping Words to live by. Very nice statement (future quote) Professor, absolutely loved it.

[@UNSCPILOT]

It makes me ache for life extension or even mind uploading just to be able to see more and experience the universe just a little closer to it's timescale. Contrary to what some people think, I seriously doubt I could ever get bored, so much to discover, expiriance, and make, I already have a mountain of hobbies I'd love to have functionally infinite time to invest into, and so many more yet to try. What can I say, I'm greedy, I want to see it all, even if it takes forever

[@seane9463]

Words of a Stoic. 😀

[@rhashelprice9431]

@@UNSCPILOT do you have any idea how much better this world would be if everyone thought this way!!! I admire you and strive for the same type of existence!! Ty😃

[@daeins]

YT is an interesting platform, and sometimes we even get to see history being made up close. Thank for making these videos, lovely stuff!

[@pilatus421]

Very well out. I totally agree. This is crazy.

[@liftpenguin]

Prof Kipping single handedly giving astro careers to a generation of students. Thank you ❤️

[@Manuel-gk3rv]

I love how the people from Cool Worlds discuss topics that can be incredibly complicated, but still explain it in a way 'normal' people also understand it. As usual super interesting video, love your work!

[@princessbuttercup8954]

100%!

[@dipendrasingh9343]

This is probably the closest I have been to a real-time milestone in astronomy. Thank You for bringing us this excitement and joy of new worlds unraveling!!

[@innvtr2487]

I honestly feel like I'm watching history unfold right before my eyes. I hope this new technique proves useful!

[@bassmouter4694]

INNVTR 24, watch in that case YT August 14 THE Final Days, other planets seen by FAA weathercams above Alaska..

[@UNSCPILOT]

As an amature astrophotographer I'm just sitting here in awe of the work he's doing here, it makes me ache even more to drag my telescope out even when the weather isn't fully cooperative or get a solar filter so there's something more I can do during the day when I have no new image data to process

[@normalmighty]

Man, I love how you guys take modern astronomy techniques and explain them in a way I can understand with my 1st year uni-level of knowledge

[@ReynaSingh]

One of the best channels out there. Keep it up

[@CoolWorldsLab]

Thanks so much Reyna, the videos are labors of love so I sincerely appreciate kind comments!

[@ZackZeysto]

This must feel so damn good coming back to a problem after so many years and finding another way another plan to solve it. I am so excited for you. Your passion is contagious!

[@CoolWorldsLab]

Research is often exhilarating but this was particularly sweet!

[@quixoticttv]

i just want to say, you probably have the biggest influence on me starting my college journey on being an astrophysicist, i’ve always had a love for space but your videos really helped me make that decision, so thank you, perhaps i’ll even meet you one day, but i’ve never been more excited to start anything in my life, but i know studying space is what i want to do

[@bassmouter4694]

Horizon TV, watch by THE sake of science to, YT August 14 THE Final Days..

[@bassmouter4694]

Horizon TV, keep Dreaming! All provided evidence by NASA is to Deluge you with fake News. Tell me, Why do they need A sun or moon simulator? I have seen A maquette of A sunsimulator at Noordwijk, at THE ESA experience. Why is NASA camouflage each eclips above THE American continent by sunsimulators? What are they hiding to THE public? Have you seen THE each ten minutes Made FAA weathercams above Alaska? See YT August 13 THE Final Days.

[@bassmouter4694]

Horizon TV, at about 2017 started Planet X above THE UK making dashcam pictures of THE same flying objects as 7 hours earlier THE FAA weathercams did picture above Alaska. And since 2017 almost each citisen at THE USA can provide you with pictures of chemtrails and sunsimulators above THE USA and UK. Planet X returns each about 3654 years to pass our earth. We Will survive, but who Will support you when you Kept hiding THE trueth?

[@Voltaphonic]

I think most people will agree that your voice has a very distinct therapeutic quality to it. Having said that, now let's watch the video and get lost in our deep thoughts once again

[@CoolWorldsLab]

Maybe I should do a cosmic ASMR one day…

[@allenmaa7064]

@@CoolWorldsLab Please do - to think and sleep deep

[@fwd79]

@@CoolWorldsLab - it is soothing no doubt, I *actually* fell asleep a few times, then had to rewind and watch videos again. lol

[@nursemark447]

My day was made cosmicly awesome by this video.

[@CoolWorldsLab]

Thanks Mark, always nice to see your name here!

[@TheUltimateRage]

First of all, thanks for following me back on Twitter my dude! That really SERIOUSLY made my whole day!!! You're a HUGE inspiration for me and I love having my brain totally destroyed by the crazy insightful things you come up with again and again! I was just showing my dad your video about "The Odds of Life and Intelligence" and he was pretty much dumbfoundead lolol. I'm gettin' ready to release my first musical project and I threw in an exomoon reference in my song "Another Land" specifically with your concepts in mind haha. Keep this stuff comin' bro cuz you're a freakin' genius!!!

[@stevencoardvenice]

A few weeks ago I saw an interview on the SETI channel with some scientists who think they've observed some type of proto-moon disc of debris orbiting an exoplanet, so the moons are probably out there waiting to be found. Good luck

[@CoolWorldsLab]

Yes that’s PDS-70c, it’s not a moon per say but detecting disks is definitely an important step towards direct imaging providing an alternative way of seeking exomoons

[@N.M.E.]

It's so cool to see not only real science, but real progress being made real-time!! Really an invaluable feeling just to be a witness of your and your teams work! Keep it up my dude!

[@alleneverhart4141]

"You never fail until you stop trying." -Albert Einstein

[@cornbreadfedkirkpatrick9647]

I needed that thanks, here's another one, At first, you don't succeed dust yourself off and try again Aaliyah

[@osman5601]

11:29 "in a way the flower was always there hidden inside the paper, but she found a right way folding the paper in order to reveal it"... magical words

[@F1FanCanuck]

Thank you Dr. Kipping for making astronomy and science so understandable and accessible for those of us with natural curiosity but without a scientific background. My new favourite KZbin channel.

[@ravensrulzaviation]

David’s work is just simply astonishing, no one comes close to his research.

[@SocksWithSandals]

Every post grad researcher should make time for a KZbin channel to explain the passion at the heart of their science.

[@friendlyone2706]

You are proof, there is need for "isolated" thinkers. Like Newton away from city centers deep thinking gravity, you at a conference watching not apples but origami and meditating. Inspiring video.

[@prototropo]

I agree. I wouldn’t want Dr. Kipping to FEEL isolated, but whatever time, place and latte generator is conducive, he should have. ❣️

[@jeremyn4397]

This lifted my spirits so much. I am so glad you are sharing this with us! Thank you for your persistence. ^_^

[@CoolWorldsLab]

“Story of my life” ;-)

[@violetlight1548]

So nice to see a real astronomer is thinking about exomoons, and it's more understandable now just how difficult they are to find. Thanks for explaining such a difficult astronomy problem in such an elegant way. I really hope you'll find more of your moons soon! I'm particularly interested in earthlike moons around gas giants. Your perseverance advice also touched me. It took me 8 years after graduating university to *finally* find a job that actually pays a living wage and uses my degree. I have to say, the journey was very disheartening, and I often wondered "what did I do wrong?" It wasn't until a few months ago, after the global "reset" of the pandemic, that I finally found a job that really, really suits me. Thanks for giving hope to the many others that are or have been in that situation.

[@andrew7955]

Thanks for making these great videos and putting them out for free. Communicating science in an interesting and engaging way is the best way to get the next generation interested in science, which is good for everyone. I also enjoy reading through the papers after watching these videos.

[@CoolWorldsLab]

Hopefully the papers make more sense with the videos to guide!

[@andrew7955]

@@CoolWorldsLab yeah the videos really give a great run down on what the point of each study is. I'm studying astrophysics so it's good to have an entry way into reading scientific papers, which can be quite dense at times.

[@jamesrussell7760]

Your byword is clearly "perseverance", Prof Kipping. Thinking outside the box is the way to problem solving. Congratulations.

[@KrisV385]

Keep persisting Dr Kipping! Your an inspiration!!

[@mlyssy2]

Personally, I like Issac Arthur’s approach, “if brute force doesn’t work you’re not using enough of it!” Sometimes just not giving up is brute force. Good luck Dr. Kipping!

[@CoolWorldsLab]

Sadly there’s a limit to how force one can apply, and the more parameters you search across the greater the false positive rate. That was one the most inhibiting aspects of previous searches but origami should neatly avoid this.

[@rodneysmith1750]

Fascinating, thanks Doc for your persistence and excellence!

[@Jolielegal]

This is a very fascinating discovery, congratulations and good luck in your search!

[@behr121002]

Dr. David Kipping and _Cool Worlds_ is hands down, one of best. Kipping is such a top notch scientist, presenter and inspiration to future scientists, pre- or non-professional passionate science enthusiasts, even artists. 'You know, I've always believed that there's just about nothing the human mind can't solve with some time, some quiet and a lot of coffee.' Such a great quote! T-shirt worthy; I think I'll print one! Thanks Dr. Kipping!

[@liftpenguin]

Can’t wait to hear about all the Kipping moons we will discover soon

[@ZackZeysto]

Oh this would be awesome. The kipping B3.7889 will be a great find.

[@H2H6565]

Prof. Kipping: You are a truly inspiring human. Your mellow voice, calm demeanor. Keep up the brilliant work!

[@L20Nardi]

Someday, sooner rather than later I hope, you will receive a Nobel Prize for your research into this niche field.

[@joshjones6072]

I often bump up against the ragged edge of science, past which we just don't have answers, since I read about 50 peer reviewed papers per year. What a joy that I learn about 3 new concepts every time I watch Cool Worlds! I love this channel.

[@keiferalford7961]

Captivating and informative. As a physical anthropologist, I don't search the heavens for answers...but we do search for ancient societies who have done so. I'm very impressed with your dedication to your chosen scholarship. Please keep us informed of your progress with more. Good luck in your search.

[@Realistic_Management]

Professor Kipping, you should go on the Lex Fridman podcast! I think a conversation between your two minds, discussing the awe-inspiring beauty of the universe, would be incredible! And his audience would no doubt find the work you are doing of great interest!

[@jeffreyneedle2191]

I always knew that the raw transit data looked nothing like that light curves presented and that astronomers "stacked" or "folded" the light curves to filter out the noise, but I no idea how that actually worked. Now I have a much better understanding. Very helpful. Keep posting.

[@ianhopcraft9894]

I learn something memorable with every new Cool Worlds video. Thanks yet again. I think you might need a holiday soon though.

[@CoolWorldsLab]

Thanks Ian! I’m actually taking a break right now, this was a pre-recorded video just to keep up a regular cadence!

[@metametodo]

This is truly amazing, breakthroughs for all to see in real time. It's truly sagacious the building and progress of how the hypothesis forms, develop and gains shape. I was thinking that you'd use the resource of wobbling in order to canvass the TTV fold problem, but the apex to the use of this resource is noticing how each exact mass ratio is decisive on interpreting the shape of the TTV fold containing the wobbling pair. This way you just need to persist on the possible mass ratios. I may have understood something wrong, but what I get already makes this worth it. These keen observations are the most fascinating to me. The astronomy calculus in this repels me a bit haha, but this kind of thinking is the marvel of science, in my eyes.

[@SonicBoone56]

It's always so fascinating seeing you discuss these things and then mentioning you wrote a research paper to go with it.

[@TheColonelKlink]

"Nobody ever said that looking for a moon around a planet that's around a star that's over a thousand light-years away would be easy."

[@madiqismal4186]

Super easy, barely an inconvenience.

[@Inug4mi]

I’m not sure why you’d give up after 10 years. For me, that’s the ultimate sign of commitment. It’s like saying, “Well, I’ve been here this long, I might as well stay.”

[@Snowy265]

This is very exciting and inspiring. It's great to be part of the journey of your research. Thanks for sharing it here. I love how you're able to easily explain complicated equations and theories with us non scientific folk. This is an extremely valuable channel, keep up the great work.

[@Tails_Trades]

Love this channel and what you're doing sir. Keep on persisting.

[@realitypoet]

I'm really excited to see the results of the application of this method, congratulations! Also, thank you for the reminder about the value of persistence. I am working on a project for almost 8 years now, and 7 years ago I thought I was nearly done, it's been hard lately to think it's ever going to happen but you are right, the only way it won't get done is if I stop - so i will persevere. Thank you as always.

[@CoolWorldsLab]

It's amazing what you can achieve if you just keep persevering

[@Quickshot0]

Good luck! I hope that this newest technique finally lets you see some of the Moons. Certainly would be nice to gain more knowledge on how those are setup elsewhere, how common the size ratios we see here really are.

[@thomascrownrg]

Leave no star unturned! When the purpose is good & true... tenacity & persistence can get us farther than many could ever even imagine.

[@shaimoyed7858]

I feel this is super important in the search for other solar bodies. Moons are extraordinary, all with their own properties. If our goal during searching is maybe, habitability or even resources, moons are great places to look.

[@DanialDawson]

Seeing the art of Origami and forming this absolutely beautiful inductive inference is incredibly inspiring. Really highlights the concept of universality. Thank you for the motivation to be persistent and not give up, I needed that.

[@xenontesla122]

Super interesting! Some of this really reminds me of my signal processing classes and musical synthesizers. The folding technique looks similar to Fourier transforms and the lag caused by the moon reminds me of phase-modulation.

[@MadderMel]

Yes ! Keep at it , keep plugging away ! Fantastic channel !

[@KingBritish]

Spectacular stuff again David. Thanks for another interesting watch. Stay thoughtful and stay curious 👍🏻

[@beesod6412]

I can never get enough Cool Worlds, Ty!

[@RomanLeone]

One of the most informative channels on YT! I definitely think you made the right decision continuing with exomoon research. Incoming data will only keep getting more refined with new technology. Your papers will soon start getting referenced as your methods are applied with upcoming observations. In terms of habitability, the moons must have suitable masses. So in terms of the moon/planet mass ratio, what do you think would be ideal? An Earth sized moon and Neptune sized planet, perhaps?

[@spindoctor6385]

One of your best vids. What are the chances of a "false positive" when folding? Or does noise just stack up every time? Oh and may I suggest transit origami be shortened to transigami?

[@CoolWorldsLab]

Transigami! Haha love it! Noise is incoherent upon folding so it won’t create an FP, if the dip passes coherence tests, it’s difficult to imagine an FP scenario that could explain it, another reason why this is pretty exciting!

[@ahenchan5422]

Your portmanteau transigami unfortunately doesn't respect the etymology of origami. It means paper-folding. But the ori is folding and gami (kami) is paper. Better to somehow retain ori than gami.

[@ahenchan5422]

Transit-ori method?

[@spindoctor6385]

@@ahenchan5422 I did wonder about that but decided it is better than oriory or oryori. Maybe Transori-itory? Transioritory? Now I am getting silly. Sonowimsorry.

[@nursemark447]

@@spindoctor6385 sonowhimsically speaking.

[@oguzhan9424]

Awesome, new video from Dr. kipping!

[@grahamturner1290]

Always enthralling, thanks for this! 👍

[@Woloszow]

As always excellent video with passionate narrating and music, thank you

[@Yattayatta]

Amazing insight, so elusive yet so elegant and simple. Great work coming up with the method and what a beautiful video, your idea dawned on me just before you presented it, as I'm sure it did many others due to the beautiful way you explained it.

[@geesehoward700]

you must be a very good teacher! I can now understand a part of cutting edge astronomy!

[@mandarhulsurkar7840]

You are so so so much inspiring Dr David Kipping

[@adammanneh4692]

Thank you for your insightful videos!

[@Kfimenenpah]

Amazing videos, narrated with an amazing voice. Truly quality content. Thx a lot

[@bobinmaine1]

Brilliant as usual. Thank you for sharing.

[@luckan20]

Excellent. Good luck Dr. Kipping in your hunt for exomoons. Your persistent will reward.

[@TRFan26]

Always fascinating. Never give up!

[@NachosBaronessDK]

Thank you so much for your videos - easy to understand, no need to have an physics degree but just a regular interest in stars, planets or universe. Just love your videos - it keeps my childhood interest alive. Keep up the good work:)

[@joelkorpela2706]

You're a beast! Thank you for sharing, absolutely inspiring!

[@geophat75]

Thanks for your dedication. wish you all the best in finding even more solutions

[@sarahhawkins2505]

Beautify put. Thank you for your work

[@all0utmetal735]

Favorite YT channel by far. Prof Kipping thank you for everything that you do. Please try and get some sleep though lol. We need that amazing brain of yours at full capacity.

[@TristanArmes]

Fantastic video as per usual!

[@comradeweismann6947]

Thanks for another great video professor!

[@ziioncarrick6168]

It looks like you figured this out 8 min before turning your camera on and I love it!!!

[@andrewfindlay9336]

Cool Worlds I cant express how perfectly timed this video is in my life right now, I've been trying and chasing my goals for 13 years now just yesterday was considering giving up and changing my career. But what you said at the end of this video gave me hope and inspiration, so thank you!!!

[@CoolWorldsLab]

👍

[@andrewfindlay9336]

@@CoolWorldsLab ❤️ If I had the opportunity to start my career path over again, I would certainly be turning to the stars. I can't get enough of your content and have an inspired curiosity over space (always have since being a child). Thank you so much from back in the UK.

[@emzywillrich7243]

Thank you, Dr. Kipping! Great Exomoon discussion. I see a Kipping Moon Probe in the near future.

[@henrywall7395]

Ive got a really keen interest in origami within engineering, im starting my course at Cambridge uni In a months time, and I know this is astronomy, not engineering, but its so cool to see its principles used for something so abstract!!

[@derp4428]

Thank you for your tenacity, you're an inspiration to watch - hoping all the hard work will yield the long sought for result soon: the first confirmed exomoons

[@tastyneck]

I really found this subject, that I unsurprisingly did not even know about, very interesting. Thank you so much for sharing it! And on a personal, I was glad to see a reference to Clara, an imperfect film but one that I really love.

[@larperdixon723]

just ordered a tshirt, thanks for everything you do!

[@charlieduke6393]

I remember when the news announced the first planets found outside of our solar system, I was just a kid. I’m beyond excited that we’ve verified roughly 5k of those 10k exoplanet candidates.

[@EricAwful313]

Congratulations! I think you're on to something. Sounds very promising.

[@smeer001]

I really enjoyed your detailed breakdown of the problems you are facing and the issues you contend with trying to utilize the folding technique. Other problems came to mind as I pondered over it. 1 - when working with such tiny dips in brightness, I bet even starspots add a lot of signal noise. 2 what about moon orbits that are very elliptical? Take Hot Jupiters for example. Being so close to the star, it probably pulls the moons into extreme elliptical orbits that point towards and away from the star. You couldn't see that in shadow. It would make the moon seem to take a much longer period orbit time than one would assume based on the mass and distance of the moon from the planet. 3 could you try to work with orbital resonance in multi moon systems?

[@agusrodriguez1]

Agree, dont give up! keep working on how to find exomoons, you will resolve this riddle.

[@stuartbrownlee3108]

This is awesome. Exomoons are extremely important to detect because we will increase the chance of finding worlds like our own, presuming that our own satellite's tidal effects are helpful to our own earth or the collision that formed our satellite helped the earth's internal dynamo in some way. Also, there may be habitable moons around the various gas giants that have been detected at some reasonable distance from the primary.

[@eddysstuff]

I loved space before now you’re just making it even cooler

[@mungohalf-brain2743]

Thought provoking as always. Ex moon research will take off at some point. I find them really interesting.

[@qzbnyv]

I wonder a little bit about whether the folding technique creates the usual biases that result when you do data mining. e.g. if you look through enough guessed values for the planetary orbital periods, you’re likely to find statistically significant dips just through random chance. I imagine there are mitigation techniques for this, but it’s not my field and I have no idea what they are!

[@WestOfEarth]

No doubt those biases exist, but the folding technique should parse those out since legitimate signals have a cyclical repetition. It's that cyclical repetition that is folded upon to produce an enhanced signal. This technique would actually work for any data mining where you have low signal to noise ratio, and the signal is expected to be cyclically repetitive.

[@qzbnyv]

​@@WestOfEarth Thanks for the response :)

[@megtube9825]

Thank you for inspiring us with your perseverance! I hope one day you get to name the exomoon you found

[@HassanGaba1]

Currently binge watching all of your videos

[@CoolWorldsLab]

Enjoy!!

[@victrolll8615]

I love ur work!! Im showing it to a friend Who is studying physics. Greetings from spain.

[@roys3769]

Never give up! Thank you!

[@phxJohn2010]

Your work is inspiring and amazing in equal measure. You are the Carl Sagan of our time.

[@shawnharmon2294]

Thank you so much for Cool Worlds, i absolutely love this channel. Transit origami seems like a very good idea in discovering moons, and the point that it already works on exo planets only certifies that. I feel that there is one factor you may have considered, but never really use. That's the percentage of time that a moon may be hidden by being within the silhouette of the planet. Combined with the other data, it may help to plot out a potential moon by predicting some of the missing data. It may also help that this percentage should also be somewhat of a constant, no matter the size of the planet. I don't know if this will be of any help, thank you for all your work.

[@mollymoon3007]

folding and finding transits in Eve Online was very interesting, I used to love doing those .

[@leisuretime9177]

Yessss another video from cool worlds

[@yahccs1]

Fascinating and well explained, thank you. You give your viewers so much to think about! I wondered about the folding process giving a signal (in that messy data) at several frequencies perhaps with multiples of the planet's period (or fractions?) -perhaps finding any one of those might help finding the actual period - I suppose you would have thought of that. The other thing I wonder about is if moons make the planets wobble by such a small amount (in terms of time) maybe this method can only detect them if the planet only has one moon, or just one main moon with any others being insignificant. Also perhaps the wobble effects due to other planets in the system may be periodic too if their orbits are in an almost exact resonance ratio. I wonder if any hypothetical distant astronomers on some hypothetical habitable exoplanet (dozens or hundreds of light years away) can work out how many planets our sun has from its complex wobble - if they are not in line with the plane of the solar system so cannot detect transits. Keep up the 'cool' work !

[@kinguq4510791]

Loved this, even understood it at some level. I hope it works.