Episode 2
The Infinite Monkey Cage
00:00
General Relativity and Gravitational Lensing
The Joddre Bank telescope is the third biggest in the world, but soon may be the fourth. It looks at radio wevs coming from space that will tell us lots of stuff about stars forming and dying. The very first gravitational lens ever discovered was, was discovered from observations with this telescope back in the 19 seventies. By looking at the shapes of distant galaxies, we can reconstruct the distribution of mass in the universe - using gravitational lensing.
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