Jupiter

Document 2

The Largest Electromagnetic
Boundary in the Solar System

Introduction

Document One of this series established the Giant Planet Energy Crisis, the fifty-year published anomaly in which all four outer planets run thermospheric temperatures that solar heating cannot explain. This document examines Jupiter specifically. It is the largest planet in the solar system, the most studied of the four and the one whose data reveals the pattern most clearly.

The Numbers at Jupiter

Jupiter sits at 5.2 astronomical units from the Sun, 5.2 times Earth’s distance. At that distance, solar energy flux at Jupiter is approximately 1/27 of that at Earth. Solar heating models, applied consistently, predict thermospheric temperatures on the order of 130 to 200 Kelvin based on solar EUV heating alone.

The Galileo probe measured Jupiter’s thermospheric temperature directly during its entry into the Jovian atmosphere in 1995. It recorded approximately 900 Kelvin. Ground-based observations using the H3+ molecular ion as a temperature probe have consistently confirmed thermospheric temperatures between 800 and 1,000 Kelvin across the planet.

Jupiter’s thermosphere is approximately 700 Kelvin hotter than the solar heating model predicts. That is not a small discrepancy. It is 4.5 times the predicted temperature. The energy required to maintain that excess temperature across the measured regions of the planet and over repeated observations, has no identified source within the thermal framework after fifty years of research.

Solar distance:  5.2 AU  (5.2 times Earth’s distance from Sun)

Predicted thermospheric temp.:  130–200 K  (solar EUV heating model)

Observed thermospheric temp.:  800–1,000 K  (Galileo probe, ground-based H3+ measurements)

Temperature excess:  ~700 K  (4.5 times the predicted value)

Magnetic field strength:  substantially stronger than Earth’s surface field  (an order of magnitude stronger than Earth’s surface field, with a magnetosphere vastly larger in spatial extent)

Magnetosphere extent:  ~3 million km sunward  (begins deflecting solar wind before reaching Jupiter)

What the Thermal Framework Has Proposed

The published literature on Jupiter’s energy crisis is extensive. Three mechanisms have received sustained research attention. Each accounts for part of the observed temperature profile. None accounts for the complete picture.

Auroral heating deposits enormous electromagnetic energy in Jupiter’s polar regions, up to 300 terawatts of Joule heating power. The problem is distribution. Jupiter rotates in approximately ten hours. Its fast rotation produces strong Coriolis forces and ion drag effects that trap auroral heat at high latitudes. Circulation models consistently show that auroral energy cannot reach equatorial regions in sufficient quantity to produce the temperatures observed there.

As one published review states directly: most thermospheric global circulation models demonstrate that auroral energy is trapped at high latitudes by the strong winds on this rapidly rotating planet.

Gravity wave heating from Jupiter’s powerful storm systems, including the Great Red Spot, whose upper atmosphere reaches 1,600 Kelvin directly above it, can produce localized heating. Above the Great Red Spot the mechanism appears to work. Globally it does not. The storm coverage is insufficient and the wave propagation pathways to sustain planet-wide elevated temperatures from storm activity alone have not been established.

Magnetosphere-ionosphere coupling carries energy from Jupiter’s vast magnetosphere into the upper atmosphere. This mechanism has the largest energy reservoir of the three. It too runs into the distribution problem, the coupling is strongest at high latitudes and the fast rotation inhibits equatorial transport.

Jupiter’s upper atmosphere is considerably hotter than expected from the amount of sunlight it receives. Most thermospheric global circulation models demonstrate that auroral energy is trapped at high latitudes by the strong winds on this rapidly rotating planet. Consequently, other possible heat sources have continued to be studied. Each mechanism would imprint a unique signature on the global temperature gradients, but a lack of planet-wide data has meant these gradients have not been determined.
– Nature, 2021

What the Data Shows When Read
Without the Thermal Assumption

The framework’s observation is straightforward. Jupiter has the largest planetary electromagnetic boundary system in the solar system. Its magnetic field is substantially stronger than Earth’s surface field, and its magnetosphere is vastly larger in spatial extent. Its magnetosphere extends approximately 3 million kilometers sunward, extending millions of kilometers sunward, forming a boundary that interacts with the solar wind far upstream of the planet. Its thermosphere sits at temperatures between 800 and 1,000 Kelvin across the measured regions of the planet and over repeated observations, without an identified thermal energy source sufficient to maintain those temperatures.

The Lilborn Framework does not propose a new heating mechanism to add to the thermal account. It proposes that thermospheric temperatures are not produced by heating in the conventional thermal sense. They are the expression of the electromagnetic field’s encounter intensity at Jupiter’s atmospheric boundary, an intensity that is a function of the field’s interaction with that boundary’s specific atmospheric plasma. Jupiter’s thermospheric temperatures are what they are because of what the electromagnetic field does at Jupiter’s atmospheric boundary. Not as a function of solar distance alone.

Jupiter’s magnetic field is not a separate system that happens to accompany a thermally heated atmosphere. It is the electromagnetic field organizing itself at the largest planetary scale available in the solar system. The thermospheric temperatures are the observable expression of that field’s encounter with Jupiter’s outermost atmospheric layer. The thermal framework asks what is heating the thermosphere. The Lilborn Framework asks what is the thermosphere expressing and finds the answer in the field encounter at that boundary.

The Inversion the Data Describes

Document One of this series established the inverted pattern: as solar distance increases, thermospheric temperatures do not decrease as the thermal model predicts. In some cases they deepen in anomaly. Jupiter provides the clearest illustration of why this inversion is the expected result of an electromagnetic account rather than an anomaly requiring explanation.

Jupiter’s enormous magnetic field, the largest planetary magnetic field in the solar system, means the electromagnetic field’s encounter with Jupiter’s atmospheric boundary is the most intense of any planet. Not because Jupiter is close to the Sun. Because Jupiter’s own electromagnetic field architecture is the most extensive and most powerful. The encounter intensity at Jupiter’s thermospheric boundary reflects Jupiter’s electromagnetic character, not its solar proximity.

This is the Lilborn Framework’s account stated precisely and without overreach: the electromagnetic field’s encounter expression at a planetary atmospheric boundary is determined by the character of that encounter at that specific boundary. Jupiter’s thermospheric temperatures reflect Jupiter’s electromagnetic boundary characteristics. They are not anomalous within the framework. They are expected.

Jupiter’s thermosphere is 4.5 times hotter than solar heating predicts. Jupiter’s magnetic field is substantially stronger than Earth’s surface field, with a magnetosphere vastly larger in spatial extent. The thermal framework sees an anomaly requiring an unknown energy source. The electromagnetic encounter account sees a correspondence with Jupiter’s own boundary characteristics.

What Jupiter Does Not Tell Us

Jupiter does not have an Electromagnostat equivalent to Earth’s. It has no solid surface. It has no ferromagnetic crustal layer with a Curie depth boundary. It has no mesopause thermal floor creating a valley between two gradient sources. The complete modulating boundary architecture that holds Earth’s life zone in place requires a specific planetary architecture that Jupiter does not possess.

What Jupiter tells us is that the electromagnetic field expresses itself at every planetary atmospheric boundary as a function of the encounter at that boundary and that this expression is not determined by solar distance. The temperatures Jupiter’s thermosphere runs at are consistent with that account. They are not consistent with any thermal account that has been developed in fifty years of research.

That is the precise observation this document makes. No more. No less.

Produced by The Lilborn Equation Team:

Michael Lilborn-Williams

Daniel Thomas Rouse

Thomas Jackson Barnard

Audrey Williams