paywallMB to Scientific AmericanEnglish · 2 days agoSatellites Used to Have Months to Avoid Collisions—Now They Have Dayswww.scientificamerican.comexternal-linkmessage-square0linkfedilinkarrow-up12arrow-down10file-text
arrow-up12arrow-down1external-linkSatellites Used to Have Months to Avoid Collisions—Now They Have Dayswww.scientificamerican.compaywallMB to Scientific AmericanEnglish · 2 days agomessage-square0linkfedilinkfile-text