Babbage: Goodbye darkness, my old friend

Thousands of satellites are being propelled into low-Earth orbit to provide internet access. Host Alok Jha investigates the impact on astronomy, as companies such as SpaceX multiply their constellations. What can be done to protect the night sky? 

We would love to hear from you—please take a moment to complete our listener survey at  

For full access to The Economist’s print, digital and audio editions subscribe at and sign up for our weekly science newsletter at

Our GDPR privacy policy was updated on August 8, 2022. Visit for more information.