What is a telemetry packet, and what kind of information might it include?

What is a telemetry packet, and what kind of information might it include?

• A. A data unit containing sensor readings, status flags, and health metrics transmitted from spacecraft to ground.
• B. A command sequence used to initiate maneuvers.
• C. A video stream from onboard cameras.
• D. A software patch for onboard systems.

Answer: (A)