Planet Earth 🌍

Invention/Contribution:

• Muslim scholars studied the shape, size, and geography of the Earth centuries before Europe’s “Age of Discovery.”

• Al-Biruni (973–1048) calculated the Earth’s circumference with remarkable accuracy, using observation and geometry.

• Al-Idrisi (1100–1165) created one of the most advanced world maps for King Roger II of Sicily, blending Muslim and European knowledge.

• Muslim geographers described climates, continents, trade routes, and peoples, uniting science with exploration.

Why it matters:

• Corrected earlier errors and showed Earth was a sphere, not flat.

• Inspired later European cartographers and explorers.

• Showed how Muslims viewed Earth as a sign of God’s creation to be studied and appreciated.

“The Earth is round, like a sphere, and the waters adhere to it by natural equilibrium.” 

Al-Biruni, Al-Qanun al-Mas’udi (11th century)

Centuries before Columbus, Muslim scholars had measured and mapped the Earth with precision. Al-Biruni calculated its circumference with an error of less than 1%, while Al-Idrisi drew detailed maps that guided travelers across continents. For Muslims, studying the planet was both science and worship — a way to understand God’s creation. Their vision of Earth as a sphere of wonder helped lay the foundations for modern geography.