Uploaded June 2026 | Updated September 2026, 2 weeks ago
Support this channel on Patreon to help me make this a full time job: patreon.com/whatdamath (Unreleased videos, extra footage, DMs, no ads)
Alternatively, PayPal donations can be sent here: paypal.me/whatdamath
Get a Wonderful Person Tee: teespring.com/stores/whatdamath
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Hello and welcome! My name is Anton and in this video, we will talk about Planet Nine updates and how it's almost certainly not there
Links:
nature.com/articles/s41550-025-02595-7
arxiv.org/pdf/2505.15806
Extra videos:
youtu.be/-Y8uFwm677k
youtu.be/RjjGpFibjJQ
youtube.com/watch?v=96rL8-TZEG8
youtube.com/watch?v=I18kG7nHYuo
#planetnine #solarsystem #science
0:00 Updates on the search for Planet Nine
1:00 How Sedna changed everything
3:20 Planet Nine hypothesis is born
4:55 Objects challenging the hypothesis
7:35 Is it there or not?
8:35 Explanations that don't require Planet Nine
11:40 What's next? Conclusions
Enjoy and please subscribe
Bitcoin/Ethereum to spare? Donate them here to help this channel grow!
bc1qnkl3nk0zt7w0xzrgur9pnkcduj7a3xxllcn7d4
or ETH: 0x60f088B10b03115405d313f964BeA93eF0Bd3DbF
The hardware used to record these videos:
New Camera: amzn.to/4pCVINS
CPU: amzn.to/4qXIaxC
Video Card: amzn.to/2M1W26C
Motherboard: amzn.to/2JYGiQQ
RAM: amzn.to/2Mwy2t4
PSU: amzn.to/2LZcrIH
Case: amzn.to/2MwJZz4
Microphone: amzn.to/2t5jTv0
Mixer: amzn.to/2JOL0oF
Recording and Editing: amzn.to/2LX6uvU
Some of the above are affiliate links, meaning I would get a (very small) percentage of the price paid.
Thank you to all Patreon supporters of this channel
Special thanks also goes to all the wonderful supporters of the channel through YouTube Memberships
Credit:
Mark Garlick markgarlick.com
Sihao Cheng (程思浩), Jiaxuan Li (李嘉轩), Eritas Yang (杨晴) - arxiv.org/html/2505.15806v1
Scott Sheppard/CADC/NOIRLab - cadc-ccda.hia-iha.nrc-cnrc.gc.ca/en/ssois/results.html?
José A. Peñas / SINC.
Tomruen CC BY SA 4.0 en.wikipedia.org/wiki/Sedna_(dwarf_planet)#/media/File:Sedna_solar_system_Jan1_2017.png
Brett Gladman/CFHT/Canadian Astronomy Data Centre CC BY SA 4.0 en.wikipedia.org/wiki/541132_Leleākūhonua#/media/File:Leleakuhonua_CFHT_2024-07-07+08_annotated.gif
Jean-Marc Petit/CFHT/Canadian Astronomy Data Centre (processed by Nrco0e) CC BY 4.0 en.wikipedia.org/wiki/2017_OF201#/media/File:2017_OF201_CFHT_2011-08-31_annotated.gif
Nrco0e CC BY SA 4.0 en.wikipedia.org/wiki/2023_KQ14#/media/File:Four_sednoids_orbits_2025.png
Licenses used:
creativecommons.org/licenses/by/4.0
and relevant Creative Commons licenses
Support this channel on Patreon to help me make this a full time job: patreon.com/whatdamath (Unreleased videos, extra footage, DMs, no ads)
Alternatively, PayPal donations can be sent here: paypal.me/whatdamath
Get a Wonderful Person Tee: teespring.com/stores/whatdamath
More cool designs are on Amazon: amzn.to/3QFIrFX
Hello and welcome! My name is Anton and in this video, we will talk about Planet Nine updates and how it's almost certainly not there
Links:
nature.com/articles/s41550-025-02595-7
arxiv.org/pdf/2505.15806
Extra videos:
youtu.be/-Y8uFwm677k
youtu.be/RjjGpFibjJQ
youtube.com/watch?v=96rL8-TZEG8
youtube.com/watch?v=I18kG7nHYuo
#planetnine #solarsystem #science
0:00 Updates on the search for Planet Nine
1:00 How Sedna changed everything
3:20 Planet Nine hypothesis is born
4:55 Objects challenging the hypothesis
7:35 Is it there or not?
8:35 Explanations that don't require Planet Nine
11:40 What's next? Conclusions
Enjoy and please subscribe
Bitcoin/Ethereum to spare? Donate them here to help this channel grow!
bc1qnkl3nk0zt7w0xzrgur9pnkcduj7a3xxllcn7d4
or ETH: 0x60f088B10b03115405d313f964BeA93eF0Bd3DbF
The hardware used to record these videos:
New Camera: amzn.to/4pCVINS
CPU: amzn.to/4qXIaxC
Video Card: amzn.to/2M1W26C
Motherboard: amzn.to/2JYGiQQ
RAM: amzn.to/2Mwy2t4
PSU: amzn.to/2LZcrIH
Case: amzn.to/2MwJZz4
Microphone: amzn.to/2t5jTv0
Mixer: amzn.to/2JOL0oF
Recording and Editing: amzn.to/2LX6uvU
Some of the above are affiliate links, meaning I would get a (very small) percentage of the price paid.
Thank you to all Patreon supporters of this channel
Special thanks also goes to all the wonderful supporters of the channel through YouTube Memberships
Credit:
Mark Garlick markgarlick.com
Sihao Cheng (程思浩), Jiaxuan Li (李嘉轩), Eritas Yang (杨晴) - arxiv.org/html/2505.15806v1
Scott Sheppard/CADC/NOIRLab - cadc-ccda.hia-iha.nrc-cnrc.gc.ca/en/ssois/results.html?
José A. Peñas / SINC.
Tomruen CC BY SA 4.0 en.wikipedia.org/wiki/Sedna_(dwarf_planet)#/media/File:Sedna_solar_system_Jan1_2017.png
Brett Gladman/CFHT/Canadian Astronomy Data Centre CC BY SA 4.0 en.wikipedia.org/wiki/541132_Leleākūhonua#/media/File:Leleakuhonua_CFHT_2024-07-07+08_annotated.gif
Jean-Marc Petit/CFHT/Canadian Astronomy Data Centre (processed by Nrco0e) CC BY 4.0 en.wikipedia.org/wiki/2017_OF201#/media/File:2017_OF201_CFHT_2011-08-31_annotated.gif
Nrco0e CC BY SA 4.0 en.wikipedia.org/wiki/2023_KQ14#/media/File:Four_sednoids_orbits_2025.png
Licenses used:
creativecommons.org/licenses/by/4.0
and relevant Creative Commons licenses
