Nobody can agree where space starts, and the 20 kilometres in dispute now matter to astronaut wings, space tourism and hypersonic weapons

The 100 km Kármán line is a 1960 convention, the physics gives different answers depending on the question, and the band in dispute now has customers and weapons in it.
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Story file
- Section
- Science
- Topics
- ISRO & space
- First reported by
- Spacedaily
- Reporter
- lachlan brown
- Published
- Thursday, 15 October 2026, 10:29 pm IST
- Coverage
- One outlet so far
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