Nasa fears SpaceX plan for 30,000 satellites could hamper space missions

The US agency says Elon Musk's expansion could flood Earth's orbit with objects, making flights and observations more difficult

Nasa has raised concerns about SpaceX's plan to deploy about 30,000 satellites for its Starlink, as have some major companies.

Elon Musk's SpaceX previously received authorisation for about 12,000 satellites to offer broadband internet and has requested the go-ahead for a second-generation constellation of 30,000 satellites.