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The challenge of satellite megaconstellations

Earth’s exosphere is set to become increasingly crowded, with tens of thousands of commercial telecommunication satellites planned in the next few years. We need to ensure that technological and socio-economic advancements will not imperil scientific progress and humanity’s access to dark skies.

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We are grateful for assistance with this Comment from M. Barstow, S. Garrington and R. Davies.

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Correspondence to Robert Massey, Sara Lucatello or Piero Benvenuti.

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Massey, R., Lucatello, S. & Benvenuti, P. The challenge of satellite megaconstellations. Nat Astron 4, 1022–1023 (2020).

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