geography

/Tag: geography

What’s the equator? Geography and the Earth

By |2019-05-30T17:06:09-07:00August 20th, 2017|Physics|

This globe shows the equator running around the widest part of the Earth. Where is the equator? The equator is an imaginary line running around the widest part of the Earth, halfway between the North Pole and the South Pole. You can't see it. Why does Earth have weather? Plate tectonics and continents What [...]

Islamic geographers – Medieval Islam

By |2019-07-03T10:11:08-07:00July 25th, 2017|History, Islam, Science|

Islamic geographers: al-Idrisi's map of the world (1100s AD) Universities in the Islamic Empire Silk Road and Indian Ocean trade made many people in the Islamic Empire rich enough to send their sons to college. So the big university at Alexandria in Egypt stayed open. But the university moved from Alexandria to the nearby town [...]