TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC), measured of Earth's circumference by using the shadow angles from the sun in two locations. He calculated it was 39,375 km, which

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

Mutazilism and Arab astronomy, two bright stars in our firmament

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

History of geodesy - Wikipedia

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

Solved In Egypt, a Greek scholar and philosopher

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

Trigonometry - From Eratosthenes to Stellar Parallax

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

TIL about the Megagon, a shape with 1,000,000 sides that, even if

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

Solved 1) [20] Eratosthenes, a Greek mathematician suggested

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

Solved The Greek mathematician Eratosthenes (ca. 276-195

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

Ancient Scientists – Chapter 1: Eratosthenes – The Procrastinating

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

History of geodesy - Wikipedia

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

Eratosthenes - Measuring the Circumference of the Earth in 240 BC

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

Measuring Shadows to Calculate the Size of Earth

TIL that Eratosthenes, a Greek mathematician and astronomer (276 BC),  measured of Earth's circumference by using the shadow angles from the sun  in two locations. He calculated it was 39,375 km, which

Answered: Over 2000 years ago, the Greek scholar…