Babbage: Goodbye darkness, my old friend

<p>Thousands of satellites are being <a href="https://www.economist.com/international/2021/11/25/vast-satellite-constellations-are-alarming-astronomers?utm_campaign=a.io&amp;utm_medium=audio.podcast.np&amp;utm_source=babbage&amp;utm_content=discovery.content.anonymous.tr_shownotes_na-na_article&amp;utm_term=sa.listeners" rel="noopener noreferrer" target="_blank">propelled into low-Earth orbit</a> 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 <a href="https://www.economist.com/leaders/2021/11/26/why-the-nights-grow-less-dark-and-what-to-do-about-it?utm_campaign=a.io&amp;utm_medium=audio.podcast.np&amp;utm_source=babbage&amp;utm_content=discovery.content.anonymous.tr_shownotes_na-na_article&amp;utm_term=sa.listeners" rel="noopener noreferrer" target="_blank">protect the night sky?</a>&nbsp;</p><p><br></p><p>We would love to hear from you—please take a moment to complete our listener survey at <a href="http://economist.com/babbagesurvey" rel="noopener noreferrer" target="_blank">economist.com/babbagesurvey</a>.&nbsp;&nbsp;</p><p><br></p><p>For full access to The Economist’s print, digital and audio editions subscribe at <a href="http://www.economist.com/podcastoffer?utm_campaign=babbage&amp;utm_medium=podcast&amp;utm_source=third-party-host&amp;utm_content=show-notes" rel="noopener noreferrer" target="_blank">economist.com/podcastoffer</a> and sign up for our weekly science newsletter at <a href="http://www.economist.com/simplyscience?utm_campaign=babbage&amp;utm_medium=podcast&amp;utm_source=third-party-host&amp;utm_content=show-notes" rel="noopener noreferrer" target="_blank">economist.com/simplyscience</a>.</p> &#10;&nbsp;<br /><hr><p style='color: grey; font - size: 0.75em; '>See <a style='color: grey; ' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for privacy and opt-out information.</p>