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Aerospace

Industry that includes methods of travel and spacecraft for navigating the air or space.

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Aerospace > Space flight

bel (B)

Aerospace; Space flight

A unit of ratio equal to ten decibels. Named in honor of telecommunications pioneer Alexander Graham Bell.

perihelion

Aerospace; Space flight

Periapsis in solar orbit.

perichron

Aerospace; Space flight

Periapsis in Saturn orbit.

perigee

Aerospace; Space flight

Periapsis in Earth orbit.

periapsis

Aerospace; Space flight

The point in an orbit closest to the body being orbited.

post encounter (PE)

Aerospace; Space flight

Post Encounter phase in flyby mission operations.

planetary data system (PDS)

Aerospace; Space flight

A distributed data system that NASA uses to archive data collected by Solar System robotic missions and ground-based support data associated with those missions. PDS is managed by ...