Fundamentals of Space System Engineering: Course Content Overview
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Questions and Answers

What is the main function of the Payload Operations in space systems?

  • Processing data from the spacecraft
  • Monitoring spacecraft health
  • Integrating the launch vehicle
  • Operating the spacecraft's payload (correct)

    • What physical constraints are considered in the 'appearance' of a spacecraft, according to the text?

  • Thermal properties and insulation
  • Shape and size (correct)
  • Color and surface texture
  • Internal structure and materials

    • Which of the following is NOT a consideration in the 'appearance' of a spacecraft?

  • Power required
  • Vehicle dynamics
  • Mission trajectory
  • Pointing accuracy (correct)

    • What are the two main parts of a spacecraft, as mentioned in the text?

    <p>Mission Payload and Spacecraft Bus</p> Signup and view all the answers

    What system can be separate from Payload Operations in space systems?

    <p>Payload Data Processing</p> Signup and view all the answers

    Where can more information about the Tracking and Data Relay Satellite System be found?

    <p><a href="http://nmsp.gsfc.nasa.gov/tdrss/oview.html">http://nmsp.gsfc.nasa.gov/tdrss/oview.html</a></p> Signup and view all the answers

    What is the purpose of the Spacecraft Bus subsystem called 'Electronic Power System (EPS)'?

    <p>To supply power to the spacecraft</p> Signup and view all the answers

    Which launch vehicle is used for the UHF Follow-On satellites?

    <p>Atlas-Centaur space booster</p> Signup and view all the answers

    What is the main function of the UHF package on the UHF Follow-On satellites (Block II)?

    <p>Telemetry and command operations</p> Signup and view all the answers

    What was the original designed mission duration for the Voyager 1 and Voyager 2 spacecraft?

    <p>5 years</p> Signup and view all the answers

    What is the primary function of the Thermal Control System (TCS) in a spacecraft bus?

    <p>To control the temperature of the spacecraft</p> Signup and view all the answers

    What is the primary purpose of the S-band communications on the UHF Follow-On satellites?

    <p>Anti-jam communications</p> Signup and view all the answers

    What is the weight of the UHF Follow-On satellites?

    <p>2600 pounds</p> Signup and view all the answers

    Which system is responsible for handling telemetry, tracking, and command operations in a spacecraft bus?

    <p>Command and Data Handling (C&amp;DH)</p> Signup and view all the answers

    What provides power during eclipse operations for the UHF Follow-On satellites?

    <p>A single 24-cell nickel-hydrogen (NiH2) battery</p> Signup and view all the answers

    What was a significant achievement of the Voyager 1 and Voyager 2 missions?

    <p>'Successful additional flybys of Uranus and Neptune'</p> Signup and view all the answers

    'Flights 8-10 (Block III) also carry an Extremely High Frequency (EHF) package for secure, anti-jam communications, telemetry, and commanding' - which satellite system does this statement refer to?

    <p>'UHF Follow-On'</p> Signup and view all the answers

    What is the primary function of the Attitude Control System (ACS) in a spacecraft bus?

    <p>Provide guidance and navigation control</p> Signup and view all the answers

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