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Space7052 articles archived since 1845

How to Weigh a Star Using Gravitational Lensing

Astronomers recently tapped Einstein's concept of gravitational lensing to determine the weight of a distant star. Watch and learn how this concept came to be and how it works.

June 7, 2017 — Andrew Golden

How to Use Math to Fly Rockets to Space

What does it really mean for a satellite to orbit the Earth? What’s the math behind it? And what’s the math behind the rockets that get those satellites into orbit? Keep on reading to find out!

June 7, 2017 — Math Dude Jason Marshall

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