By Mohamed Farouk | Kottamia Astronomical Observatory in Egypt

By Kevan Hubbard | Teesmouth Nature Reserve, Co Durham, England

By Mario Rana | Hampton, Virginia

By Yvonne White | Ireland

By Sam Savage | Chatham Massachusetts USA

By Sona Shahani Shukla | New Delhi, India

By Hassan Dadashi . arani | Gilan . Iran

By Nancy Reeves | Emerson, GA USA

By Steve Price | The Knolls, Great Salt Lake Desert, Utah USA

By Tameem Altameemi | Abu Dhabi - United Arab Emirates

By Lisa Ann Fanning | Howell, NJ

By Sudhir Sharma | Nassau Point, North Fork, Long Island , NY

By Hassan Dadashi . arani | Gilan . Iran

By Cecille Kennedy | Lincoln City, Oregon USA

By Steve Price | The Knolls, Great Salt Lake Desert, Utah USA

By Mario Rana | Hampton, Virginia