Above is a video that I posted almost exactly two years ago, around August 29 - 30, 2020, entitled: "Simon Shack, Tycho Brahe, Retrograde Mars, and the Vital Importance of the Moon."
Two years later, I still believe it is worth re-visiting this video in order to understand some of the grave problems with the conventional models used to explain the movements of the planets that we can observe from Earth -- and in particular the motions of the planet Mars.
Norwegian researcher Simon Shack has updated the model proposed by the great astronomer Tycho Brahe to argue that our sun -- like virtually every other star we can observe today -- is a multiple star rather than a solo star, and that it is involved in a binary dance involving Mars, with Earth "stuck" in the barycenter of that binary dance. He calls his model the Tychos Model, using Tycho's first name and adding an "S" at the end for Simon's.
This proposed arrangement has been modeled in a visual computer model by Swedish coder Patrik Lundqvist, in coordination with Simon, with the result that the model matches the observations and measurements of the data collected over the years by astronomers.
Recently, Simon and Patrik made two appearances with my friends Graham and Darren of the Grimerica Show podcast to have a conversation about the Tychos Model. I recommend watching my video, above (even if you have seen it already, a year or more ago), as well as listening to the first conversation (which is audio only), and watching the second one (which uses the visual computer model to illustrate the Tychos more clearly).
I myself have so far only heard the first, audio-only, conversation -- but I plan to watch the second one soon as well.
Below are links to the audio interview and the visual presentation: