Fact Check: The Earth is flat

Fact Check: The Earth is flat

Published August 6, 2025
VERDICT
False

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

Fact-Check: "The Earth is Flat"

What We Know

The claim that "the Earth is flat" is a long-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 way shadows are cast in different locations (NASA). Furthermore, the advent of space exploration in the late 20th century provided direct visual evidence of the Earth's spherical shape, as seen in photographs taken from space (NASA).

Scientific consensus supports the understanding that the Earth is an oblate spheroid, a fact corroborated by various fields of study, including astronomy, physics, and geography. For instance, the principles of gravity and the behavior of objects in motion around a spherical body confirm that the Earth cannot be flat (Pursuit).

Analysis

The claim of a flat Earth is often propagated through confirmation bias, where individuals selectively gather information that supports their pre-existing beliefs while disregarding contradictory evidence (Maselli & Mourad). This cognitive bias is prevalent in discussions surrounding pseudoscientific theories, including the Flat Earth Theory.

While some individuals may argue for the flat Earth perspective, these claims lack empirical support and are often based on misinterpretations of scientific principles. For example, the idea that the Earth appears flat from a human perspective does not account for the vast distances involved and the curvature of the Earth that becomes apparent at higher altitudes (BBC Sky at Night).

Moreover, the reliability of sources promoting flat Earth theories is generally low, as they often stem from anecdotal evidence or conspiracy theories rather than rigorous scientific research. In contrast, reputable scientific organizations, such as NASA and various academic institutions, provide extensive evidence supporting the Earth's roundness, including satellite imagery and geodetic measurements (UNLV).

Conclusion

Verdict: False

The claim that "the Earth is flat" is unequivocally false. It contradicts a wealth of scientific evidence and historical observations that confirm the Earth is a spherical body. The persistence of this claim can be attributed to cognitive biases and misinformation, rather than factual accuracy. The overwhelming consensus among scientists and researchers is that the Earth is an oblate spheroid, a conclusion supported by centuries of observation and modern technology.

Sources

  1. The Flat Earth Theory: is Evidence-Based Physiotherapy a ...
  2. How Do We Know the Earth Isn't Flat? We Asked a ...
  3. Why do some people believe the Earth is flat? - Pursuit
  4. Round Earth Clues: How Science Proves that our Home is ...
  5. Is the Earth flat? - ABOUT SCIENCE
  6. Flat Earth - Wikipedia
  7. Why the Earth is actually 100% flat | Science
  8. 5 ways we can prove Earth is round, not flat - BBC Sky at ...

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