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SPS 101 - Space Systems > Midterm PowerPoint Review > Flashcards

Midterm PowerPoint Review Flashcards

In Class PowerPoint Instructor Guided Review

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1
Q

USSPACECOM domain defines the demarcation of space at?

A

100 km

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2
Q

During solar minimum you will see?

A

Dimmer EUV/x-rays

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3
Q

What is responsible for generating magnetic field lines and storing magnetic flux?

A

Tachocline

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4
Q

What are high energetic particles emanating from the sun outside of standard solar wind?

A

Solar Energetic Particles

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5
Q

What is a stream of charged particles released from the corona?

A

Solar Wind

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6
Q

Which is a massive cloud of energetic magnetized solar plasma launched into space?

A

CME - Coronal Mass Ejection

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7
Q

The Sun is comprised mostly of what element?

A

Hydrogen

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8
Q

The Inner Van Allen Belts are more stable and 10 times more energetic. True or false?

A

True

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9
Q

The Ionosphere is responsible for scintillation causing signal fading and data dropouts. True or false?

A

True

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10
Q

Which space weather storm are major disturbances of earth’s magnetosphere that can upset technological systems?

A

Geomagnetic Storms

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11
Q

What is the most effective way to mitigate against sputtering?

A

Shielding/Hardening

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12
Q

To mitigate against _______ we bake in a vacuum?

A

Outgassing

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13
Q

This occurs when space objects collide with atmospheric molecules causing a transfer in kinetic energy?

A

Atmospheric Drag

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14
Q

This is known as variations in amplitude, phase, and polarization of signals transmitted through a medium?

A

Scintillation

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15
Q

What provides command and control of the satellite constellations, and generates commands to uplink?

A

Space Operations Center (SOC)

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16
Q

This part of the RTS sends commands, data uploads, and processor program loads to satellites?

A

Uplink

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17
Q

This provides an objects azimuth, elevation, and distance from the RTS to perform C2, anomaly resolution and early orbit support

A

Ranging

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18
Q

What is another name for downlink?

A

Telemetry

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19
Q

The RTS site with the acronym TCS stands for what?

A

Telemetry and Command Station

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20
Q

Diego Garcia Tracking Stations call sign is what?

A

REEF

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21
Q

Thule Tracking Station falls under which Squadron?

A

23 SOPS

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22
Q

Communicating with the satellite vehicle through the payload is called?

A

In-Band

23
Q

This is all of the parts of a spacecraft that support the mission

A

Bus

24
Q

This subsystem is known as the “Brains of the satellite” and contains a command decoder

A

Command and Data Handling Subsystem

25
Q

True or False

An open-loop control system provides its own feedback without operator input

A

False

26
Q

True or False

The Attitude determination and Control Subsystem is responsible for rotational control and satellite payload pointing.

A

True

27
Q

Which subsystem is responsible for satellite orbit control?

A

GNC

28
Q

This subsystem regulates and maintains the temperature throughout the spacecraft

A

TCS

29
Q

True or False

Albedo effect is considered an internal heat source

A

False

30
Q

What is considered a transfer of heat between substances in direct contact?

A

Conduction

31
Q

What is the only effective method of releasing heat from a spacecraft?

A

Radiation

32
Q

True or False

Louvers can be a passive or active method of thermal control

A

True

33
Q

What subsystem is responsible for generating, storing, and distributing power throughout the spacecraft?

A

EPS

34
Q

True or False

Sun tracking solar panels are considered more complex than body mounted solar panels

A

True

35
Q

What is the most common source of power for earth orbiting satellites?

A

Solar Panels

36
Q

True or False

Series batteries hold a charge longer and are inherently redundant without a single point of failure

A

False

37
Q

True or False

Lithium Ion Batteries are susceptible to memory effect and are not volatile

A

False

38
Q

What is when a battery is repeatedly overcharged and builds up electrolyte crystals on the cathodes?

A

Voltage Depression

39
Q

True or False

Load shedding is the process of prioritizing components and shutting off power to less vital components

A

True

40
Q

This subsystem is the frame that all other subsystems are attached to.

A

Structure subsystem

41
Q

True or False

A low cycle structure mechanism can be used constantly throughout the life of the satellite vehicle

A

False

42
Q

This is “the science and art of identifying, observing, and measuring an object without coming into contact with it”

A

Remote Sensing

43
Q

True or False

Active remote sensing records/measures energy that is externally available

A

False

44
Q

What frequency of the EM spectrum do electro-optical sensors use?

A

Visual light

45
Q

What frequency of the EM spectrum do PNT sensors use?

A

Radio waves

46
Q

What frequency of the EM spectrum do Radar sensors use?

A

Microwaves

47
Q

True or False

Electro optical sensors use active remote sensing to capture, observe and record visual EM light reflected and emitted by objects

A

False

48
Q

True or False

SATCOM uses both active and passive remote sensing to transmit, detect, record, and retransmit EM radio waves

A

True

49
Q

What is a timeline of planned events broken into smaller pieces?

A

Phasing

50
Q

This is considering the commanders intent with assumptions and acceptable levels or risk to mission and force

A

Mission

51
Q

This is the plan for when things don’t go according to plan

A

Contingencies

52
Q

This is an agreement established to drive action outside of a single team that was not previously established

A

Contracts

53
Q

What is the goal of a debrief?

A

Identify mistakes, determine how not to repeat them, and pass on that learning to improve future mission accomplishments

SPS 101 - Space Systems (12 decks)

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