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‘This feels fragile’: how a satellite-smashing chain reaction could spiral out of control
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science7h ago

‘This feels fragile’: how a satellite-smashing chain reaction could spiral out of control

  • The number of objects in Earth orbit has surged to about 32,000, with private mega-constellations contributing to the rise.
  • Experts warn a collision cascade could create a debris layer that jeopardizes future launches.
  • The report cites Space-Track.org, CelesTrak, and Jonathan McDowell as data sources for orbital counts.
  • The piece highlights a surge in private space activity, notably Starlink, driving the current orbital surge.
  • There is a stated risk that a single misstep could ignite a cascade if operators cease active collision avoidance.
  • Experts mention deorbit methods being tested, including nets, robotic capture, and lasers.
  • The Guardian notes a shift from government-led to private-led space activity in the 21st century.
  • The report uses a globe visualization to show orbital density by decade.
  • The article notes the global balance of launches, with the US and China as major players in the 2020s.
  • Space debris and light pollution are highlighted as concerns for astronomers.
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