We might be surrounded by cutting-edge technology, but nature still has some tricks up her sleeve. Here's one: while engineers painstakingly grind glass into the perfect shape for a telescope, the universe is throwing us a bone by doing its own magnification. Gravitational lensing is a natural phenomenon that magnifies objects through the sheer power of gravity — and it's helping astronomers make some very big discoveries.
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What Is Gravitational Lensing?
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Written by Ashley Hamer July 8, 2017
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