American
Astronomical Society ( AAS )
Astronomical League (AL)
Astronomical Society of the Pacific ( ASP )
Astronomical Society of Australia ( ASA )
Astronomical
Society of India ( ASI )
Chinese
Astronomical Society ( CAS )
Euro-Asian Astronomical Society
( EAAS )
European
Astronomical Society ( EAS )
Griffith
Observatory (GO)
International
Meteor Organization (
IMO )
Jordanian
Astronomical Society ( JAS )
The Planetary Society (TPS)
An Astronomical paper by Abdul Ahad
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