Which of the following best describes the concept of tidal locking? A. The phenomenon where a satellite maintains the samedistance from its primary body at all times. B. The condition where a satellite's rotational periodmatches its orbital period, causing one face to always

Which propagation method involves signals traveling fromthe transmitting antenna directly to the receiving antennawithout requiring reflection from any atmospheric layer? A) Ground Wave Propagation B) Sky Wave Propagation C) Space Wave Propagation D) Sporadic E Propagation E)

- Why was Galileo, the spacecraft that studied the planet Jupiter and its moons, intentionally destroyed? - Imagine there is a mission to build a human colony at Mars. In order to achieve your goals on the red planet you need a reliable energy source. What would it be? - List

Cassini was an orbiter sent to Saturn and its moons (mainly Titan and Enceladus). When its fuel was running out, NASA commanded it to crash on Saturn, not allowing it to go to a random direction. Why?   a) It can turn back to Earth and crash into one of our satellites. b) To

What will you expect to see in the photos of the same region taken with space telescopes of UV and IR regions?   a) UV: less dust, more stars, IR: more dust, less stars b) Only resolution of the photos will change c) UV: more dust, less stars, IR: less dust, more stars d) UV has

- Why our spectrum analyses on exoplanets are inconclusive in terms of life? Try to explain by comparing with Earth’s atmosphere.

Which of the following is not an example of space debris? A) Defunct satellites B) Spent rocket stages C) Fragments from satellite collisions D) Discarded astronaut gloves E) The International Space Station

What role does H2O (water) play in the process of star formation? A) H2O acts as a fuel for nuclear fusion in stars. B) H2O is a primary component of a star's core. C) H2O helps cool gas clouds, facilitating their collapse intoprotostars. D) H2O is responsible for the magnetic

Which of the following statements correctly distinguishes a nadir sensor from a sun sensor in satellite technology? A) A nadir sensor is used for detecting the Sun's position, while a sun sensor measures the Earth's surface. B) A nadir sensor measures the position of the Earth

In which city is Dogu Anadolu Gozlemevi (DAG) located?   a. Kars b. Van c. Erzurum d. Elazığ

- What is the necessity of studying Van Allen Radiation Belts in terms of satellites? - Please write 3 challenges of living on Mars.   - What is OBC (On-board Computer) and which does it have components?

What does TMTC stand for? A) Telemetry Telecommand B) Time Machine Travel Control C) Temperature Measurement Tool D) Teleportation Module

"What is the South Atlantic Anomaly?" a) A region where Earth's inner Van Allen radiation belt comes closest to the planet's surface. b) A large underwater canyon in the South Atlantic Ocean. c) An area with unusually high sea temperatures near the coast of Brazil. d) A unique

Space qualification ensures that the spacecraft survives instrument and satellite assembly, integration, and verification programs, followed by the satellite launch and operational environments. Which of the following is not an element of space qualification? A) Vibration

Space will become a business market the near future, creating a lot of new opportunities and occupations. The closest economic breakthrough will be services provided by satellites in Earth’s orbit. Give examples of how satellites can be of use in the near future.

What is a ground station in the context of space telecommunications? A) A device on a satellite that collects data B) A facility on Earth that communicates with satellites C) A type of space telescope D) A satellite that orbits the moon

From which authority must one obtain permission to launch a satellite? a) The International Telecommunication Union b) United Federation of Planets c) United Nations d) NASA e) European Space Agency

What is the primary purpose of the thermal control system in a spacecraft? A. To provide propulsion for the spacecraft. B. To regulate the spacecraft's temperature. C. To monitor the spacecraft's position. D. To communicate with ground stations.

Which of the following is a disadvantage of solid rocket boosters? A. They can be throttled down and restarted. B. They require complex designs with many components. C. Once ignited, they cannot be switched off. D. They have a lower power-to-mass ratio compared to liquid

What is the function of a star tracker in a satellite? A. To provide propulsion. B. To determine the orientation of the satellite with respect to the stars. C. To communicate with ground stations. D. To generate power.

Which of the following best describes the unique capability of the Stratospheric Observatory for Infrared Astronomy (SOFIA) compared to ground-based infrared telescopes? a) SOFIA operates in space, avoiding atmospheric distortion entirely. b) SOFIA can observe the universe from

What is termination shock? A) The point in the heliosphere where the solar wind slows down abruptly due to interactions with the interstellar medium. B) The region around a black hole where the escape velocity equals the speed of light. C) The boundary where the Earth's

Which gas makes up most of the Martian atmosphere? A) Oxygen B) Nitrogen C) Carbon dioxide D) Hydrogen

What is De-tumbling? A) Using magnetic torquers, reaction wheels, or thrusters to stop a satellite from spinning uncontrollably. B) The process of ensuring a satellite maintains a stable orientation for its mission. C) The process of stabilizing the spacecraft's rotation to

Which astronomer is known as the “Mother of the Hubble Space Telescope”? A) Nancy Grace Roman B) Marie Curie C) Henrietta Swan Leavitt D) Cecilia Payne-Gaposchkin

Which of the following statements about interferometers is true? A) Interferometers decrease resolution but increase sensitivity. B) Optical interferometry involves mixing light collected by a single telescope. C) Interferometers involve multiple telescopes observing the same

Which of the following is not found in ADCS/AOCS? A) Star Trackers B) Reaction Wheels C) Nadir Sensor D) Fire Sensor

What is the device we send with Perseverance Mars rover to generate oxygen on Mars? a) EDL system b) MMRTG c) Sample Caching System d) MOXIE

A batch of Starlink satellites which was launched on February 3, 2022, have reentered the Earth's atmosphereand crashed down, without ever reaching their intended orbit. What was the reason behind this incident?   A) The satellites interacted with the Van Allen Belt which caused

What is the first molecule discovered in space? A) Water (H2O) B) Methane (CH4) C) Methylidyne radical (CH) D) Carbon dioxide (CO2)

Which subsystem is responsible for maintaining the orientation and stability of a satellite?   - A) Power Subsystem   - B) Telecommunication Subsystem   - C) Attitude Determination and Control Subsystem (ADCS)   - D) Thermal Control Subsystem