Similar to NGC_72
775年の宇宙線飛来
774–775 carbon-14 spike7月ペガスス座流星群
PegasidsAAVSO (小惑星)
8900 AAVSOAbell 2029
Abell 2029ACE (探査機)
Advanced Composition ExplorerACRIMSAT
ACRIMSATADS 16402
ADS 16402ADS 7251
ADS 7251AGILE
AGILE (satellite)AG星表
Astronomische Gesellschaft KatalogAMOS (小惑星)
8721 AMOSAm星
Am starANS
Astronomical Netherlands SatelliteANS (小惑星)
9996 ANSANTARES
ANTARES (telescope)Ap/Bp星
Ap and Bp starsAPL (小惑星)
132524 APLAPM 08279+5255
APM 08279+5255Arp 220
Arp 220ASTE望遠鏡
Atacama Submillimeter Telescope ExperimentASTRO-G
Astro-GAT2018cow
SN 2018cowATLAS彗星 (P/2019 LD2)
P/2019 LD2 (ATLAS)ATLAS彗星 (C/2019 Y4)
C/2019 Y4 (ATLAS)AURIGA
AURIGAA型主系列星
A-type main-sequence starA型小惑星
A-type asteroidB2FH論文
B2FH paper