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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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