WTTM means WIYN
Wisconsin, Indiana University, Yale University, and NOAO National Optical Astronomy Observatories Observatory Tip-Tilt Module in
Astronomy
Similar to WTTM
CAI - Calcium Aluminum-rich Inclusion
CAL - Casual Astronomy League
CALL - Collaborative Asteroid Lightcurve Link
CCF - Cosmogenic Correlation Factor
CCMS - Command, Control, and Monitor System
CDMH - Cold Dark Matter Halo
CEO - Corporate Europe Observatory
View all in Astronomy