Musk: A Trillion Times A Trillion Dollars Will Be Spent On Antimatter

Elon Musk has floated one of his more extreme long-term predictions, telling followers on X that humanity will eventually spend a trillion times a trillion dollars producing antimatter to power travel to other star systems. The post, made on June 19, has reignited a debate around exotic propulsion concepts and what currencies even mean at interstellar scale.

What Musk actually said

On June 19, Elon Musk posted nine words that quietly detonated across every physics-adjacent corner of the internet: In the future, a trillion times a trillion dollars will be spent on making antimatter to travel to other star systems.

The comment was a reply to a thread about how much solar power it would take to feed long-term AI ambitions, and the conversation drifted toward a future where conventional money stops being relevant and value gets measured in mass and energy instead.

A trillion multiplied by a trillion is 10^24, also known as a septillion — a 1 followed by 24 zeros, an astronomically large number that puts the scale of any future antimatter project into perspective.

Why antimatter, and why now

Antimatter propulsion, long a staple of science fiction, is back in the spotlight after public backing from SpaceX founder Elon Musk and NASA astronaut and mission commander Jared Isaacman. Isaacman replied that he supports antimatter propulsion, and the exchange has renewed interest in one of the most extreme ideas in advanced spaceflight.

Antimatter could dramatically reduce travel times because of its extraordinary energy density. Researchers have suggested antimatter-powered spacecraft could theoretically reach a significant fraction of the speed of light, making journeys to nearby star systems more realistic.

Antimatter-matter annihilation converts 100% of mass to energy via E=mc², making antimatter roughly 1,000 times more energy-dense than nuclear fission.

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The engineering reality check

Current facilities can only produce tiny quantities of antimatter, measured in nanograms, at enormous cost. Storing it is even harder: antimatter cannot touch normal matter without annihilating, so it must be held in sophisticated electromagnetic traps, isolated from every surface.

Although antimatter propulsion remains decades — if not centuries — away from practical deployment, it represents one of the few known technologies that could theoretically provide the energy needed for humanity's first journeys to other star systems.

The Musk wealth backdrop

The post landed at a notable moment for Musk personally. Elon Musk has officially become the world's first trillionaire after SpaceX's blockbuster IPO, with Forbes valuing his net worth at $1.3 trillion and climbing.

Musk used X to argue that conventional money will no longer be relevant, predicting that mass and energy will eventually replace dollars as humanity builds lunar factories and taps solar power in deep space to fuel artificial intelligence.

Options market and stocks to watch

Speculative as Musk's framing is, the underlying themes — energy density, advanced propulsion, deep space infrastructure, and AI power demand — tie back to names actively traded today.

Watch TSLA for any flow tied to Musk-driven headlines, since his public commentary often spills into Tesla sentiment. Watch RKLB and LMT as broader proxies for any revival in advanced propulsion and space-tech narratives.

On the energy and AI-power side, watch NVDA and CCJ — the conversation Musk replied to was about solar capacity for AI, and any pivot in narrative toward exotic or nuclear-scale energy sources tends to move sentiment across the AI-power complex. For more, see other market news.

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