12 min readJuly 28, 2026Space Exploration

BALLS on the Moon: China Set to Launch Africa's 1st Lunar Science Mission in 2029

Africa's first space exploration mission aims to send a trio of spherical probes named BALLS to the lunar south pole aboard China's Chang'e-8 lander in 2029.

Prologue: Hearing the Dawn of the Universe

For nearly 13.8 billion years, the most elusive secret in astrophysical history has remained shrouded in total silence.

During the cosmic epoch known as the Cosmic Dark Ages — the period following the Big Bang before the very first stars ignited — the universe was filled with neutral hydrogen gas emitting faint radio signals at a signature 21-centimeter wavelength. Over billions of years of cosmic expansion, those signals stretched into extremely low-frequency radio waves below 20 Megahertz (MHz).

On Earth, we are completely blind to this cosmic whisper. Our planet's ionosphere acts as an impenetrable electronic mirror, reflecting low-frequency radio waves back into space while absorbing the rest. Combined with human-made radio frequency interference from cell networks, television broadcasts, and power grids, Earth is simply too noisy for low-frequency radio astronomy.

To hear the dawn of time, humanity must erect radio telescopes on the Moon. And in 2029, Africa and China are teaming up to achieve exactly that.

Africa2Moon BALLS probes illustration

Image: Artist's illustration depicting Africa2Moon's trio of Bounced African Low Lunar Sphere (BALLS) probes deployed on the lunar surface with Earth visible in the background. (Credit: Africa2Moon / CNSA / Space.com)

A Historic Milestone: Africa's First Lunar Payload

In an unprecedented milestone for African space science, China’s upcoming Chang’e-8 lunar lander mission — scheduled for launch in 2029 — will carry Africa’s first-ever scientific payload to the Moon’s surface.

Conceived under the Africa2Moon initiative and spearheaded by the Foundation for Space Development Africa alongside the South African Radio Astronomy Observatory (SARAO), the South African National Space Agency (SANSA), and Stellenbosch University, the mission features a payload named:

BALLS — Bounced African Low Lunar Sphere

"If this is successful, it will ignite the reality of space on the African continent."
— Dr. Carla Mitchell, Mission Director of Africa2Moon & Africa Program Manager at SARAO

Selected by the China National Space Administration (CNSA) as one of nearly a dozen international payloads for Chang'e-8, BALLS will deploy near the Lunar South Pole, transforming Africa into a active player in lunar surface science.

Carla Mitchell and Japie Ludick with BALLS prototype

Image: Dr. Carla Mitchell (Mission Director for Africa2Moon) and SARAO engineer Japie Ludick posing with one of the BALLS spherical flight testing models. (Credit: SARAO / Africa2Moon)

Technical Innovation: How BALLS Works

Unlike traditional, heavy lunar rovers reliant on mechanical treads and robotic joints susceptible to abrasive lunar dust (regolith), BALLS introduces an ultra-lightweight, resilient mechanical architecture.

BALLS consists of three spherical probes engineered to be deployed or gently bounced onto the lunar terrain directly from the Chang'e-8 lander.

       [ Chang'e-8 Lunar Lander ]
                  │
        ┌─────────┼─────────┐
        ▼         ▼         ▼
     (Sphere 1) (Sphere 2) (Sphere 3)
        │         │         │
        └──── Wireless Mesh ────┘
                  │
     [ Tri-Sphere Lunar Radio Array ]

Engineering & Hardware Specifications

Stellenbosch University Electronics: The functional electronics and wireless communications model were developed by the Electronic Systems Laboratory (ESL) at Stellenbosch University, led by specialized engineering teams.
Spherical Structural Shell: Each metal frame sphere encloses tetrahedral solar panels, insulating internal avionics while allowing the spheres to roll and settle naturally into stable ground orientations regardless of initial landing tilt.
Inter-Sphere Wireless Data Links: During ground testing, the spheres demonstrated autonomous data relaying between the nodes and a mock lander unit across multi-hundred-meter baselines.
Vibration & Thermal Testing: Structural test models underwent rigorous vibration and vacuum thermal testing conducted by SARAO engineer Japie Ludick to ensure survival during Long March rocket launch loads and extreme lunar night temperatures (-180°C to +120°C).

BALLS Electronics Model at Stellenbosch

Image: The BALLS electronics functional model built by the Stellenbosch University team, showing internal wiring, antennas, and transceiver units. (Credit: Stellenbosch University / SARAO)

Strategic Significance: Why the Lunar South Pole?

The lunar south pole and far side represent the quietest radio environment in the inner solar system.

+-------------------------------------------------------------------+
|                        EARTH ATMOSPHERE                           |
|   Ionosphere Shield (Bounces frequencies < 20 MHz back to space)  |
|   Man-Made Interference (Cell towers, Wi-Fi, Satellites, Radar)   |
+-------------------------------------------------------------------+
                                   │
                                   ▼
+-------------------------------------------------------------------+
|                        LUNAR SOUTH POLE                           |
|   Zero Ionospheric Distortion                                     |
|   Shielded from Earth RFI noise by the Moon's physical body       |
|   Pristine observation window into 0.1 MHz - 30 MHz universe      |
+-------------------------------------------------------------------+

By placing BALLS at the lunar south pole:

Uninterrupted Low-Frequency Window: Astronomers will record radio emissions below 20 MHz for the first time without atmospheric absorption.
Natural RF Shielding: The physical mass of the Moon shields the array from terrestrial radio noise.
Pathfinder for 55-Antenna Array: BALLS is a technology demonstrator for Africa2Moon's ultimate vision — erecting a full-scale array of 55 antennas on the Moon, symbolizing one for every nation on the African continent.

Artemis II Earthrise Far Side View

Image: A view of a crescent Earth above the lunar horizon as seen from the Moon's far side — where radio silence allows deep-space observations impossible from Earth. (Credit: NASA / Artemis II)

Authority & Mission Roadmap Summary

Parameter / Metric	Official Mission Data
Official Mission Title	Africa2Moon Bounced African Low Lunar Sphere (BALLS)
Primary Launch Partner	China National Space Administration (CNSA) - Chang'e-8
Scheduled Launch Date	2029
Primary Target Region	Lunar South Pole / South Pole-Aitken Basin
Lead Institutions	Foundation for Space Development Africa, SARAO, SANSA, Stellenbosch University
Mission Director	Dr. Carla Mitchell (SARAO Africa Program Manager)
Key Systems Engineer	Japie Ludick (SARAO)
Payload Configuration	3 Autonomous Spherical Probes forming a Radio Array
Observed Bandwidth	Below 20 MHz (Cosmic Dark Ages 21cm Redshifted Hydrogen)
Long-Term Vision	55-element African Lunar Radio Observatory

Conclusion: Africa's Arrival in Deep Space

Following successful assembly and vibration testing in April 2026, the structural and functional models of BALLS were prepared for final integration tests with the Chang'e-8 team. Dr. Carla Mitchell presented the mission roadmap at the NASA Exploration Science Forum 2026, highlighting global interest in Africa's inaugural lunar science payload.

When Chang'e-8 touches down on the lunar south pole in 2029, those three shiny metallic spheres won't just be listening for signals from the dawn of time — they will be broadcasting a message of their own: Africa has officially arrived in deep space.