Why is the spacecraft’s high degree of autonomy vital during deorbit and entry phases?

Answer

Time delays preclude constant real-time human intervention

The high speed of atmospheric interface and communication time delays make it impossible for constant real-time human intervention for every required steering adjustment, making onboard automation critical.

Why is the spacecraft’s high degree of autonomy vital during deorbit and entry phases?

#Videos

Boeing Starliner returns to earth without astronauts | BBC News

A Closer Look At Starliner's Return To Earth - YouTube

AerospaceEarthspacecraftreturnStarliner