Similar to おおぐま座矮小銀河I
775年の宇宙線飛来
774–775 carbon-14 spike
(792156) 2020 XR
(792156) 2020 XR
7月ペガスス座流星群
Pegasids(809875) 2020 BX12
(809875) 2020 BX12(828534) 2004 TG10
(828534) 2004 TG10(845854) 2018 LF16
(845854) 2018 LF16
AAVSO (小惑星)
8900 AAVSO
Abell 2029
Abell 2029Abell 262
Abell 262
ACE (探査機)
Advanced Composition ExplorerACRIMSAT
ACRIMSATADS 16402
ADS 16402AGILE
AGILE (satellite)
AG星表
Astronomische Gesellschaft Katalog▲1 trendsAMOS (小惑星)
8721 AMOS
Am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+5255
ARIEL (宇宙望遠鏡)
ARIEL
Arp 220
Arp 220Arp 273
Arp 273
ASTE望遠鏡
Atacama Submillimeter Telescope Experiment
ASTRO-G
Astro-GAT2018cow
SN 2018cow