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WorksheetsSPACEFLIGHT SILUMATOR
Total questions: 20
Worksheet time: 10mins
Which of the following is a type of data transmission commonly used in spacecraft communications?
Infrared
Microwave
Radio waves
All of the other answers are correct
Which of the following is NOT a common frequency band used for spacecraft communications?
S-band
X-band
K-band
U-band
What is the function of the ranging subsystem in a spacecraft's communication system?
To determine the distance between the spacecraft and Earth
To measure the temperature of the spacecraft's instruments
To store data collected by the spacecraft's instruments
To process data collected by the spacecraft's instruments
Which of the following is a common method used to increase the data rate of a spacecraft's communication link with Earth?
Increasing the transmit power of the spacecraft's transmitter
Using a larger antenna on the spacecraft
Using a higher frequency band for communication
All of the other answers are correct
Which of the following is NOT a factor that can affect the quality of a spacecraft's communication link with Earth?
Atmospheric interference
Orbital inclination
Solar flares
Gravitational waves
Which of the following is the most common type of power source used for spacecraft?
Solar panels
Batteries
Nuclear reactors
Fuel cells
What is the purpose of the electrical power subsystem in a spacecraft? a) b) d)
To power the spacecraft's subsystems and instruments
To communicate with Earth
To control the spacecraft's thermal environment
To determine the spacecraft's orientation
Which of the following is NOT a type of thermal control subsystem commonly used in spacecraft?
Passive thermal control
Radiation cooling
Star tracking
Active thermal control
Which of the following is NOT a type of thermal control device commonly used in spacecraft thermal control subsystems?
Radiator
Heat pipe
Insulation blanket
Solar panel
Which of the following subsystems is responsible for maintaining the temperature of the spacecraft?
Thermal control
Power
Propulsion
Communications
Which of the following is NOT a type of attitude control system?
Reaction wheel
Star Tracker
Thruster
Magnetorquer
Which of the following is a type of attitude determination system?
Reaction Wheel
Gyroscope
Solar Sensor
Battery
What is the main function of the attitude control subsystem?
To control the spacecraft's orientation in space
To provide propulsion for the spacecraft
To communicate with ground stations
To monitor the health of the spacecraft
How fast is the International Space Station flying around Earth?
~ 900 km/h
~ 40000 km/h
~ 28000 km/h
~ 4000 km/h
How long does it take for the International Space Station to circle the Earth?
~ 60min
~ 90min
~ 1 day
~ 28 days
Which of the following is NOT an issue astronauts face on a journey to Mars?
Bad onboard entertainment
Provision of Oxygen, Food and Water
Social Isolation
Solar radiation
What does the term “Kessler-Syndrome” describe?
A swollen head astronauts experience in zero-gravity
Rapid increase in the amount of space debris
Muscle deterioration
Fear of aliens
Which of the following is NOT a type of environmental testing commonly performed on spacecraft?
Thermal vacuum testing
Electromagnetic interference testing
Vibration testing
Salt fog testing
What is the name of the first reusable spacecraft developed by NASA?
Apollo
Soyuz
Space Shuttle
Gemini
Who was the first person to walk on the moon?
Yuri Gagarin
Neil Armstrong
Buzz Aldrin
John Glenn
