Unlocking the Moon's Secrets: What the Artemis Missions Could Reveal

Introduction: A New Era of Lunar Exploration

For over half a century, our understanding of the moon has largely been limited to the findings of previous Apollo missions. Initially perceived as a barren rock, the moon is now understood to be a scientifically rich environment brimming with potential discoveries. With NASA's Artemis program poised to reignite our lunar exploration efforts, we stand at the brink of uncovering profound truths about our closest celestial neighbor.

As Artemis aims to return humans to the moon, particularly through missions II, III, and eventually, IV, the possibilities for scientific advancement are immense. These missions are not merely a nostalgic return; they offer state-of-the-art technologies and methodologies aimed at unraveling the mysteries that the moon has kept hidden for ages.

1. What Is the Origin of the Moon?

The leading theory posits that the moon formed from debris after a Mars-sized body collided with the proto-Earth approximately 4.5 billion years ago. This catastrophic event has shaped our understanding of lunar formation. While past missions provided critical samples, the hypothesis remains strained upon limited evidence. With Artemis, we anticipate gaining access to untouched lunar rocks, which could solidify or redefine our understanding of the moon's origins.

“Accessing deeper materials such as mantle fragments will be crucial; it's all about answering the foundational questions.”

2. How Much Water Is on the Moon, and What Is Its Form?

The belief that the moon is devoid of water has drastically shifted. Recent discoveries have shown ice in permanently shadowed craters, suggesting that usable water may exist on the lunar surface. The Artemis missions will explore these potential water sources, determining their quantity and form—whether as compact slabs or mixed within regolith. This information will be vital for establishing sustainable human bases on the moon.

3. The Moon's Internal Structure: What Lies Beneath?

Understanding the internal structure of the moon is one of the significant gaps in our lunar knowledge. Given the limited seismic data obtained from Apollo missions, our grasp of lunar geology is underdeveloped. Artemis will enable the installation of a modern network of seismometers, which could illuminate the size of the moon's core and the nature of its mantle, enriching our geological understanding profoundly.

4. The Great Asymmetry of the Moon: Why Is the Far Side So Different?

Another outstanding mystery is the stark contrast between the moon's near and far sides. Why does the far side appear rugged while the near side is smoother? Several hypotheses exist, yet none fully explain this phenomenon. The Artemis missions may allow us to land on the dark side of the moon, obtaining samples that could finally resolve this long-standing riddle.

“By analyzing these samples, we might shed light on the moon's aging processes and crystallization.”

5. What Happened to the Lunar Magnetic Field?

Surprisingly, some Apollo samples exhibit magnetization, indicating the moon may have once possessed a strong magnetic field, which contradicts what we know about its formation and internal structure. With fresh samples and enhanced measurements, Artemis can help reconstruct the time frame and intensity of this magnetic dynamo, providing a clearer picture of the moon's geological history.

The Moon: More Than a Destination

Today's lunar missions transcend mere exploration; they serve as stepping stones for future space endeavors. Artemis positions the moon as a launchpad for broader cosmic exploration, fundamentally redefining how we understand not only the moon but planetary science itself. As we embark on this new chapter, humanity is on the cusp of asking the right questions in our quest for knowledge—a journey that combines cutting-edge science with the spirit of discovery.

In this exciting era, we may not uncover all answers, but we will return to the moon armed with new insights, driving humanity deeper into the cosmos.

This story originally appeared on WIRED en Español and has been translated from Spanish.