By C. Gentile | Florham Park, NJ USA

By Mario Rana | Hampton, Virginia

By Mike Baxter | Springfield Missouri

By Adeel Shafiq | Lahore, Punjab, Pakistan

By Nina Gorenstein | West Lafayette, IN, USA

By Cairbre Ó Ciardha | Cill Mhantáin, Ireland

By pranjal maurya | India,up,varanasi. banaras

By Andrea Iorio | Marino, Rome, italy

By Hassan Dadashi . Arani | Esfahan province. Iran

By Pruthu Vanara | Patdi, Gujarat, India

By Lisa Ann Fanning | Monmouth County, NJ

By Hassan Dadashi . Arani | Esfahan province. Iran

By Ross Stone | Owens Valley Radio Observatory (OVRO)

By Nanci McCraine | Ithaca NYS USA

By Ken Chan | Stanford, CA, USA

By Margaret Carter | Manhattan Beach, CA USA