AI-powered
podcast player
Listen to all your favourite podcasts with AI-powered features
Using Gravitational Lensing in Astronomy
In astronomy, and Einstein thought about this initially, we can use a massive object, Ben Space. And so light that should be traveling like straight. It actually travels around the warped space. You have a way to use that from magnification. There are galaxies that are lens, so-called gravitational lens, by intervening galaxy clusters. The second one is called star shot - it's an initiative by the Breakthrough Foundation. They want to send thousands of little tiny spacecraft, which they now call star chip. Each of these star chips will deploy a solar sail. That's a few meters in diameter. On Earth, we would have a bank of telescopes with lasers. These lasers would momentarily shine upwards