• 1. The Conventional Model — “The Sun is a giant ball of gas”
• 2. Prof. Robitaille’s Liquid-Plasma Model — “The surface behaves like a liquid”
• 3. The Birkeland / Electric Sun Model — “The Sun is powered by electricity”
• 4. Dr. Oliver Manuel’s Iron-Sun Model — “The core is iron, not hydrogen”
• So How Does the Liquid-Star Model Fit In?
  • ✦ The Liquid-Star Model — “All four, working together”
• Side-by-Side Comparison
  • About the Author

There are actually several alternative ideas about how the Sun works — not just one. Each one noticed something the standard textbook model seemed to miss. The Liquid-Star Model builds on all of them, like pieces of a puzzle finally coming together. Here is how each model compares.

Before we can explain what makes the Liquid-Star Model different, it helps to understand where it came from. Scientists and researchers outside the mainstream have been questioning the standard picture of the Sun for decades — and each one raised a fair point. The Liquid-Star Model takes those points seriously.

§1. The Conventional Model — “The Sun is a giant ball of gas”

This is the model taught in most schools. It says the Sun is made almost entirely of hydrogen and helium gas, and that a superhot core — around 27 million degrees Fahrenheit — fuses hydrogen atoms together to make energy, like an enormous slow-motion explosion that has been going on for billions of years. The bright surface we see is just the outer layer of that gas ball glowing from the heat below.

🔍 Where it struggles: It cannot fully explain why the Sun’s outer atmosphere is millions of degrees hotter than its surface, why sunspot temperatures drop so sharply, or why the Sun vibrates more like a solid body than a cloud of gas.

§2. Prof. Robitaille’s Liquid-Plasma Model — “The surface behaves like a liquid”

Prof. Pierre-Marie Robitaille studied the way the Sun gives off light and found that it matches a condensed, liquid-like material far better than a gas. He argues the bright surface — called the photosphere — acts more like the surface of a glowing liquid than a cloud of hot gas. He points to the sharp edges, the granulation patterns, and the way sunspots behave as evidence that something solid or liquid sits right below what we can see.

🔍 Where it stops: Robitaille focuses mainly on the surface and atmosphere. He does not fully map out what the deep interior is made of or how the electrical system above it operates.

§3. The Birkeland / Electric Sun Model — “The Sun is powered by electricity”

Kristian Birkeland discovered over a hundred years ago that electric currents flow along magnetic field lines through space — now called Birkeland currents. The Electric Sun model says our Sun is connected to the rest of the galaxy through these giant electrical circuits. Electricity flowing in from space powers the Sun from the outside in, heating the corona and driving solar flares. This naturally explains the hot outer atmosphere without needing a mysterious unknown heat source.

🔍 Where it stops: The Electric Sun model focuses on the outside electrical system but is less specific about the physical material inside the Sun — what it is actually made of beneath the plasma layer.

§4. Dr. Oliver Manuel’s Iron-Sun Model — “The core is iron, not hydrogen”

Dr. Oliver Manuel studied gamma rays and neutrons released during solar flares and concluded that the Sun’s core is dominated by iron and nickel — the same heavy metals found in Earth’s core and in meteorites — not hydrogen. He argued the Sun and its planets formed from the same exploded star and share the same rocky-metallic ingredients. Energy is produced not just by hydrogen fusion but by nuclear reactions in that iron-rich core, releasing neutrons that can be detected during powerful flares.

🔍 Where it stops: Manuel’s model is strong on nuclear physics and core composition but is less developed on the electrical and plasma structure of the atmosphere above the surface.

§So How Does the Liquid-Star Model Fit In?

The Liquid-Star Model is the framework that tries to connect all of these dots into one picture. Rather than picking one of the above and ignoring the others, it asks: what if they are all pointing at the same Sun?

§✦ The Liquid-Star Model — “All four, working together”

The Liquid-Star Model agrees with Robitaille that the surface behaves like a condensed liquid, not a gas. It agrees with Manuel that the core is iron and nickel — with a solid inner core and a molten outer core, just like Earth but far larger and hotter. It agrees with Birkeland that electrical currents structure the plasma atmosphere and explain the hot corona without needing a mystery heat source.

And it goes further. It shows how all three layers — the metallic core, the liquid surface, and the electric plasma atmosphere — interact with each other through chemistry, nuclear reactions, and electricity all at once. Infalling comets and space debris add water and heavy metals to the surface. Electrical double layers sort and accelerate particles. And low-energy nuclear reactions in the metallic core, confirmed in laboratory experiments and accepted by NASA, provide a steady source of deep energy.

✦ What makes it unique: No other model puts the condensed metallic interior, the surface chemistry, and the Birkeland electrical system into a single picture. It also draws on LENR — a type of low-energy nuclear reaction — to explain where the Sun’s deep energy really comes from, without requiring a 27-million-degree gas core that has never been directly observed.

§Side-by-Side Comparison

|Model|Interior|Energy Source|Atmosphere|Key Strength| |||—| |Conventional|Hot hydrogen & helium gas|Hydrogen fusion at 27M° F|Hot gas layers|Widely tested math| |Robitaille|Liquid-like condensed surface|Not fully specified|Plasma above liquid|Matches light emission data| |Birkeland|Not specified|Electric currents from space|Birkeland current filaments|Explains corona heating| |Manuel|Iron-nickel core|Nuclear reactions in iron core|Not fully specified|Matches flare neutron data| |Liquid-Star|Solid + molten iron-nickel core|LENR in core + electrical system|Birkeland plasma double layer|Unifies all four models| The conventional model says the Sun is a gas ball powered by fusion deep inside. The alternative models each found a piece it was missing — a liquid surface, an electric atmosphere, or an iron core. The Liquid-Star Model is the first to say: all three alternatives are pointing at the same Sun. Put them together and a clearer, more complete picture emerges — one that matches what we actually observe, from the deepest seismic waves to the outermost electrical currents.

Models referenced: Standard Solar Model (SSM), Robitaille Liquid-Metallic Hydrogen / Liquid-Plasma Model, Birkeland / Electric Universe plasma framework, Manuel Iron-Sun / ORIGINS model. The Liquid-Star Model synthesizes and extends all four. LENR science referenced with acknowledgment of ongoing NASA research programs.

This article is part of the ongoing Liquid Star series exploring alternative perspectives on stellar structure, planetary formation, and energy generation.

§About the Author

Adolfo Maldonado is an independent researcher and author developing the Liquid Star Model.