Astronautics Vocabulary

The Astronautics Vocabulary is a glossary of terms that pertain to the science and technology of spaceflight. This alphabetical list can be navigated by clicking on the letters A-Z displayed on this page.

• L band
• Lab Cradle Assembly
• laboratory module
• land station
• landing
• Large Motion Isolation Mount (LMIM)
• latch assembly
• latching end effector (LEE)
• latching valve
• latitude
• launch
• launch campaign
• launch pad
• launch platform
• launch window
• launcher
• launching complex
• lidar
• Life and Microgravity Spacelab mission (LMS)
• life support system
• lifetime
• lift-off
• light-year
• liquid cooling and ventilation garment
• liquid-cooled garment
• logistics and sustaining engineering
• long duration exposure facility (LDEF)
• longitude
• look
• low earth orbit (LEO)
• low gravity experiment