Fifty percent of our country that we own, have all legal jurisdiction, have all rights to do whatever we want, lies beneath the sea and we have better maps of Mars than that 50 percent.

In this quote, Robert Ballard, a renowned oceanographer and explorer, highlights the paradox between humanity’s extensive knowledge of space and the relatively limited understanding of our own planet, particularly the oceans. He points out that fifty percent of the Earth's surface is covered by oceans, yet we possess more detailed maps of Mars than of the seafloor beneath our own seas. Ballard is emphasizing the vast, unexplored potential that lies beneath the ocean and the surprising lack of attention and resources dedicated to understanding this critical part of our planet.

The origin of this statement likely comes from Ballard’s deep knowledge of ocean exploration and his role in discovering the wreck of the Titanic. As an advocate for oceanography and marine exploration, Ballard has been vocal about the need to prioritize the study of the world's oceans, which make up a significant portion of Earth but remain largely unexplored. His quote underscores the irony that while humanity has made tremendous strides in space exploration, much of the Earth’s marine environment remains a mystery.

Ballard’s comment also reflects the idea that despite having legal jurisdiction over the oceans and vast underwater territories, there is still a lack of comprehensive exploration and mapping of these areas. This highlights the technological challenges of exploring the deep ocean, which is often more difficult to access and study than space due to the harsh conditions, including depth, pressure, and darkness.

Ultimately, Ballard’s quote calls for more investment in ocean exploration and emphasizes the importance of understanding our planet’s oceans. His statement serves as a reminder that while we have made remarkable progress in many areas of science, there remains a vast frontier on Earth that is still largely unknown, with immense potential for discovery and understanding.