ADELAIDE, Australia — Where you stand depends on where you sit, which may explain the sharp dispute between Planet and Virgin Galactic on the role of government in stimulating the commercial space market.

At a Sept. 26 session at the 68th International Astronautical Congress here, Planet co-founder Robbie Schingler pointed to SpaceX as a recent example of a company that would not survive without government funds but has reshaped the commercial industry.

Virgin Galactic Business Development and Government Affairs Vice President Richard DalBello, whose company’s success as a . . .

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