NPC means Nice Planetary Contrast in
Astronomy
Similar to NPC
ALIS - Airborne Laser Isotope Spectrometer
ALTS - Astronomy Lunch Time Seminar
AMSU - Advanced Mass Spectrometry Unit
AOA - ASCA Online Arxiv
AOSS - AURA Observatory Support Services
APOD - Astronomy Picture Of the Day
APT - Astronomers Proposal Tools
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