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 (B)</p> Signup and view all the answers

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

<p>Payload Data Processing (C)</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> (D)</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 (B)</p> Signup and view all the answers

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

<p>Atlas-Centaur space booster (A)</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 (A)</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 (A)</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 (D)</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 (B)</p> Signup and view all the answers

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

<p>2600 pounds (C)</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) (D)</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 (D)</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' (B)</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' (B)</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 (B)</p> Signup and view all the answers

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