Soccer in Space: NASA Studies FIFA Ball on the ISS

NASA and ESA astronauts recently used an official FIFA World Cup ball aboard the International Space Station (ISS) to study how microgravity affects aerodynamics and ball physics. According to NASA, these experiments—including a 2019 study on mass and rotation—help sports scientists understand the physics of movement in ways impossible on Earth.

How does microgravity change the physics of a soccer ball?

On Earth, gravity and air resistance dictate how a ball curves, drops, and slows down. In the microgravity environment of the ISS Kibo module, these forces vanish. Astronauts found that without gravity to pull the ball downward, the focus shifts entirely to the ball’s mass and the force of the initial strike.

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From Instagram — related to Japanese Experiment Module

A 2019 study conducted on the ISS specifically examined how a ball’s mass influences its rotation, stability, and overall trajectory. According to the research, removing the constant pull of gravity allows scientists to isolate the effects of spin. This isolation reveals how the surface texture and internal pressure of a ball affect its flight path without the “noise” of terrestrial gravity.

Did you know? The Kibo module, where the soccer experiments took place, is the Japanese Experiment Module (JEM). It is the largest single module on the ISS and features a unique “porch” that allows experiments to be exposed directly to the vacuum of space.

Why is NASA studying sports science in space?

The initiative isn’t just about recreation. NASA uses these demonstrations to show how space exploration drives innovation in sports science and everyday engineering. By observing how a FIFA-standard ball behaves in orbit, researchers can refine the mathematical models used to design high-performance athletic equipment on Earth.

Astronaut Jessica Meir demonstrated these principles in a video, showing how the ball’s mass and rotation interact in a weightless environment. This data helps engineers understand fluid dynamics and air resistance more precisely. When scientists can predict exactly how a sphere moves in a vacuum or microgravity, they can better optimize the aerodynamics of balls used in professional leagues. For more on how space tech impacts Earth, see our guide on satellite-driven sports analytics.

What are the future trends for space-based athletics?

The transition from simple demonstrations to formal research suggests three primary trends for the future of sports and space science.

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1. Aerodynamic Material Innovation

Data from the ISS regarding ball stability and spin is likely to influence the next generation of sports equipment. According to the principles explored in the 2019 study, manufacturers may use microgravity data to create synthetic materials that minimize drag or maximize stability, leading to balls that are more predictable for athletes.

2. Low-Gravity Biomechanical Training

As humans establish longer-term presences on the Moon or Mars, “space sports” will move from experiments to training tools. Using sports like soccer to maintain muscle tone and coordination in low gravity is a growing area of interest. This involves adapting the rules of the game to account for the lack of a “ground,” potentially turning soccer into a 3D sport.

3. Precision Physics Modeling

NASA’s work provides a baseline for “pure” physics. By removing gravity, researchers can create a “gold standard” for how an object should move based solely on its geometry and spin. This allows for the creation of more accurate computer simulations for everything from soccer balls to planetary probes.

Pro Tip: If you’re analyzing the physics of a curveball or a “knuckleball,” remember that the Magnus effect—the force that makes a spinning ball curve—still exists in the air of the ISS, even if gravity doesn’t. The spin creates a pressure difference that pushes the ball sideways.

Frequently Asked Questions

Can you actually play a full soccer match in space?
Not in the traditional sense. Without a floor to kick off from or gravity to keep the ball moving in a predictable arc, the game becomes a 3D exercise in navigation and propulsion. Current activities are limited to scientific demonstrations.

What did the 2019 ISS study conclude?
The study focused on how the mass of the ball affects its rotation and stability. It helped researchers isolate the variables of spin and trajectory without the interference of Earth’s gravity.

Which modules of the ISS are used for these tests?
The experiments mentioned were conducted in the Kibo module, the Japanese-built section of the station.

What do you think? Would you watch a professional sports league played in zero gravity, or does the lack of a pitch ruin the game? Let us know in the comments below or subscribe to our newsletter for more updates on the intersection of science and sport.