The list of astronomy acronyms and abbreviations.

All astronomy related acronyms and abbreviations.

Stands For|0Abbreviated As|6Related|1.5k

1,530 entry under topic. ×

0
RC:
Red Clump(Celestial object, Celestial objects, Astronomy)
0
RCB:
R Coronae Borealis(Celestial object, Celestial objects, Astronomy)
0
RGB:
Red Giant Branch(Celestial object, Celestial objects, Astronomy)
0
RLQ:
Radio Loud Quasar(Celestial object, Celestial objects, Astronomy)
0
RQQ:
Radio Quiet Quasar(Celestial object, Celestial objects, Astronomy)
0
RRAT:
Rotating Radio Transient(Celestial object, Celestial objects, Astronomy)
0
RRL:
RR Lyrae(Celestial object, Celestial objects, Astronomy)
0
RSG:
Red Super Giant(Celestial object, Celestial objects, Astronomy)
0
RSN:
Radio Supernova(Celestial object, Celestial objects, Astronomy)
0
SB:
Spectroscopic Binary(Celestial object, Celestial objects, Astronomy)
0
SDO:
Scattered Disk Object(Celestial object, Celestial objects, Astronomy)
0
SDOR:
S DORadus(Celestial object, Celestial objects, Astronomy)
0
SGR:
Soft Gamma Repeater(Celestial object, Physics, Celestial objects)
0
SMBH:
Super Massive Black Hole(Celestial object, Celestial objects, Astronomy)
0
SMC:
Small Magellanic Cloud(Celestial object, Celestial objects, Astronomy)
0
SN:
Supernova(Celestial object, Celestial objects, Astronomy)
0
SNR:
Supernova Remnant(Celestial object, Celestial objects, Astronomy)
0
SQM:
Strange Quark Matter(Celestial object, Celestial objects, Astronomy)
0
SS:
Symbiotic Star(Celestial object, Celestial objects, Astronomy)
0
SXARI:
SX ARIetis(Celestial object, Celestial objects, Astronomy)
For more, try ASTRONOMY on ALL ACRONYMS DICTIONARY
8 years ago|119k views|share |citing 
APASmart Define. (2018). astronomy. Retrieved September 27, 2026, from http://smartdefine.org/astronomy/abbreviations/r/celestial_object
ChicagoSmart Define. 2018. "astronomy" http://smartdefine.org/astronomy/abbreviations/r/celestial_object (accessed September 27, 2026).
HarvardSmart Define 2018, astronomy, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/astronomy/abbreviations/r/celestial_object>.
MLASmart Define. "astronomy" 9 February 2018. Web. 27 September 2026. <http://smartdefine.org/astronomy/abbreviations/r/celestial_object>