protection articles
What is the primary collision concern for the International Space Station?
What comparison is used to describe the kinetic energy of a small paint fleck striking the ISS?
What approximate minimum size object is generally cataloged by tracking networks like the SSN?
At what level of probability must a potential close approach generally be for active avoidance action to be taken?
What is the name given to the active maneuver used to avoid a predicted high-risk conjunction?
Which station segment's engines are usually fired to execute a Debris Avoidance Maneuver?
What is the famous multi-layered physical defense system protecting the ISS against smaller impacts called?
How does the Whipple shield primarily dissipate the energy of a high-velocity particle impact?
What is the approximate altitude at which the ISS generally orbits Earth?
What beneficial secondary protective effect does the ISS's low altitude provide?
What risk trade-off must ground teams consider when executing a fuel-intensive Debris Avoidance Maneuver?
What primarily causes the intense heat during high-speed atmospheric reentry?
How do ablative heat shields protect the spacecraft structure?
What is the main drawback of using a single-use ablative heat shield system?
What was noted about the Orion spacecraft's ablative shield performance during the Artemis I high-speed reentry test?
How does a blunt body shape aid the Thermal Protection System compared to a lifting body shape?
Beyond surviving vaporization, what critical property must the TPS material possess regarding heat transfer?
How does a shallow, "skipping" reentry affect the heating profile on the heat shield?
What is generally true regarding the materials used in reusable TPS systems like those on the Space Shuttle?
What is the approximate velocity mentioned for a vehicle traveling at orbital speed impacting the atmosphere?
How does the reentry intensity for Orion (returning from deep space) compare to a low Earth orbit return?
What is the primary cause of extreme heating during atmospheric reentry?
What is the fundamental purpose of the Thermal Protection System (TPS)?
For which type of mission are sacrificial ablative shields generally considered ideal?
How do ablative materials protect the underlying vehicle structure?
Which Shuttle component protected the absolute hottest zones like the nose cap and wing leading edges?
What is the composition of Reinforced Carbon-Carbon (RCC) panels?
What was the primary structural temperature goal for the aluminum skin beneath the HRSI tiles on the Orbiter's underbelly?
Where were the flexible Fibrous Refractory Composite Insulation (FRCI) blankets typically installed on the Shuttle Orbiter?
What catastrophic risk is associated with poor installation or misalignment between TPS components?