Alinda Family
/ / / Alinda Family / /
Alexandra Family
/ / / Alexandra Family / /
Cassini family
/ / / Cassini family / /
Micrometeorite
/ / / Micrometeorite / /
Arneb
ستاره ارنب / / / Arneb / /
Eccentricity
/ / / Eccentricity / /
Absorbtion line
/ / / Absorbtion line / /
Al- Tusi Nasir al Din (Nasirddin) (1201-74)
/ / / Al- Tusi Nasir al Din (Nasirddin) (1201-74) / /
Alkhwarizmi – [Al- khawarizmi]
/ / / Alkhwarizmi – [Al- khawarizmi] / /
Sun
/ / / Sun / /
Active sun
/ / / Active sun / /
Solar eclipse
/ / / Solar eclipse / /
Spectroheliogram
/ / / Spectroheliogram / /
Spectrohelioscope
/ / / Spectrohelioscope / /
Arches cluster
/ / / Arches cluster / /
Omega centauri
/ / / Omega centauri / /
open cluster
/ / / open cluster / galactic cluster /
Virgo cluster
/ / / Virgo cluster / /
Hyades cluster
/ / / Hyades cluster / /
Globular cluster
/ / / Globular cluster / /
Coma cluster
/ / / Coma cluster / /
cluster of galaxies
/ / / cluster of galaxies / /
maffei 1 group
/ / / maffei 1 group / /
local group
/ / / local group / /
abell clusters
/ / / abell clusters / /
