Fact Check: The earth is flat

Published July 2, 2025
by TruthOrFake AI
βœ—
VERDICT
False

# Fact Check: "The Earth is Flat" ## What We Know The claim that "the Earth is flat" is a widely debunked notion that contradicts centuries of scient...

Fact Check: "The Earth is Flat"

What We Know

The claim that "the Earth is flat" is a widely debunked notion that contradicts centuries of scientific evidence. Historical observations by ancient civilizations, such as the Greeks and Egyptians, demonstrated that the Earth is round based on the movements of celestial bodies and the curvature of the Earth's shadow during lunar eclipses (NASA Expert). Furthermore, modern scientific consensus, supported by extensive research and observations from space, confirms that the Earth is an oblate spheroid, not a flat disk (Encyclopedia Britannica).

Scientific evidence supporting the spherical nature of the Earth includes:

  • The way ships disappear hull-first over the horizon, which can only be explained by a curved surface.
  • The varying positions of stars and constellations depending on the observer's latitude, which would not occur if the Earth were flat.
  • Photographic evidence from space missions, which clearly show the Earth as a round object (NASA Expert).

Analysis

The belief in a flat Earth is often rooted in cognitive biases, such as confirmation bias, where individuals favor information that supports their pre-existing beliefs while disregarding contradictory evidence (Maselli & Mourad). This phenomenon is not unique to flat Earth theories but is prevalent in various pseudoscientific claims.

Despite the overwhelming evidence supporting a spherical Earth, some individuals continue to promote flat Earth theories, often relying on anecdotal evidence and misinterpretations of scientific data. For instance, while some flat Earth proponents argue that the horizon appears flat from ground level, they fail to account for the vast scale of the Earth compared to human perception (Pursuit).

Moreover, sources promoting flat Earth theories often lack scientific credibility and are typically not peer-reviewed. In contrast, the scientific community, including reputable organizations like NASA, provides extensive peer-reviewed research and empirical data supporting the Earth's roundness (NASA Expert, Encyclopedia Britannica).

Conclusion

The claim that "the Earth is flat" is False. It contradicts a vast body of scientific evidence and well-established principles of physics and astronomy. The overwhelming consensus among scientists, supported by historical observations and modern technology, confirms that the Earth is a spherical object. The persistence of flat Earth beliefs can be attributed to cognitive biases and misinformation rather than factual accuracy.

Sources

  1. The Flat Earth Theory: is Evidence-Based Physiotherapy a ...
  2. How Do We Know the Earth Isn’t Flat? We Asked a NASA Expert
  3. Why do some people believe the Earth is flat? - Pursuit
  4. Journal Articles - The Flat Earth and its Advocates: A List
  5. Flat Earth - Wikipedia
  6. Flat Earth | Theory, Model, Meaning, & Facts - Britannica

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