Sumerian and Babylonian Astronomy: What Ancient Mesopotamia Really Knew
Ancient Mesopotamia, the land between the Tigris and Euphrates rivers in modern Iraq, was home to some of the world’s first cities and some of[…]
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How Do Astronomers Measure Distances in Space? The Cosmic Distance Ladder Explained
How can anyone know that a star is 400 light-years away when nobody has ever been there? In the Crash Course Astronomy episode above, Phil[…]
Read moreStargazing for Beginners: How to Get Started in Astronomy
The best thing about astronomy is that you can start tonight, for free. You don’t need a telescope, an app subscription or a science degree.[…]
Read moreIs There Life in the Universe? A Beginner’s Guide to Astrobiology
Are we alone? It is one of the oldest questions people ask, and today it is also an active area of science called astrobiology. The[…]
Read moreSolar Superstorms: Flares, CMEs and How Space Weather Affects Earth
The Sun looks calm and steady from Earth, but it is a churning ball of hot, electrically charged gas called plasma, threaded with tangled magnetic[…]
Read moreAncient Greek Astronomy: What the Greeks Got Right (and Wrong)
Long before telescopes, the astronomers of ancient Greece worked out the shape and size of the Earth, estimated the distance to the Moon, catalogued the[…]
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