Square Kilometer Array
The Square Kilometer Array (SKA) will eventually feature hundreds of dishes in South Africa (left) and more than 100,000 antennas in Australia.

A multibillion-dollar radio telescope is moving into its construction phase while still working to raise funding and deal with satellite megaconstellations whose interference “change the game” for their plans.

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Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The...