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Phase 1 - Liftoff
Glossary
Ascent:
The act of going up or rising.
Launch window:
The range of time during which a shuttle can launch and eventually meet up with its intended destination.
Sensor:
A device which receives and responds to a signal.
Right angle:
A 90° angle is called a right angle.
Vertex:
A point that at least two rays share as their starting point.