WIYN means Wisconsin, Indiana University, Yale University, and NOAO
National Optical Astronomy Observatories Observatory in
Astronomy
Similar to WIYN
AMSU - Advanced Mass Spectrometry Unit
AOA - ASCA Online Arxiv
AOSS - AURA Observatory Support Services
APOD - Astronomy Picture Of the Day
APT - Astronomers Proposal Tools
APT - Automatic Photometric Telescope
AQR - Aquarius
View all in Astronomy