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What Distortion Does the Mercator Projection Create in the Real Size of Countries?

1h ago September 17, 2026 1 min read 📰 ISNA
📋 Key Takeaway

A geography professor discusses the ongoing use of the Mercator projection in maps, highlighting its ability to preserve angles but its serious flaws in area representation, particularly overestimating the sizes of regions like Alaska and Greenland. This issue is significant as it affects public perception of geography.

🔍 Quick Context Guide
💡 Bottom Line: The critique of the Mercator projection underscores the need for accurate geographical representations to enhance public understanding.

👥 Key Players

Geography Professor MENTIONED
Academic at Shahid Beheshti University
"As an educator, they influence public understanding of geography and cartography in Iran."

📰 What Happened

A geography professor highlighted the flaws of the Mercator projection in a discussion, emphasizing its inaccuracies in representing the size of countries and regions. This critique draws attention to the implications of using such maps in education and public perception.

  • The Mercator projection was designed in 1569 and is widely used despite its flaws.
  • It significantly distorts the size of landmasses, making regions like Alaska and Greenland appear larger than they are.

💡 Why It Matters

🇮🇷 For Iran: This issue raises awareness about the importance of accurate geographical education in Iran, which can influence national identity and cultural understanding.
🌍 Regional: Inaccurate maps can affect regional perceptions and relationships, particularly in areas with territorial disputes.
🌐 International: Globally, the critique of the Mercator projection can lead to discussions about the need for more accurate mapping techniques, impacting international relations and educational practices.

📚 Background

The Mercator projection has been a standard mapping technique for centuries, but its inaccuracies have led to calls for alternative methods that better represent land sizes.

Cartography Geographical education
📡 Source: NEUTRAL
📊 Confidence: 70%
The source is an academic perspective, providing a factual analysis without apparent bias.

A geography professor at Shahid Beheshti University in Tehran pointed out the continued use of the Mercator projection system in common maps, stating that this mapping, first designed in 1569, despite its significant advantages in preserving angles and directions, suffers from serious shortcomings in representing areas; in this system, the land of Alaska is depicted as being the same size as Brazil, and the island of Greenland is exaggerated up to 14 times its actual size.

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Translated from the original and edited for English readers. View original source →

Translation confidence: 85%

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