How does Starlink Satellite Internet Work?

With Starlink internet, data is continuously being sent between a ground dish and a Starlink satellite orbiting 550km above.

https://www.youtube.com/watch?v=qs2QcycggWU

Furthermore, the Starlink satellite zooms across the sky at 27,000km/hr! How can the dish and satellite maintain a continuous connection? And then how is data sent back and forth?

[Youtube]