By Cecille Kennedy | Oregon Coast, Oregon

By Andy Dungan | Near Cotopaxi, CO USA

By Mandy Daniels | Derbyshire, UK

By Brian Hannigan | Pennsylvania

By Osama Fathi | White Desert, Egypt

By Hassan Dadashi . arani | Esfahan . Iran

By Mohammed Abdallah | Suez, Egypt

By Joel Coombs | Holt Canyon Utah

By Makrem Larnaout | Mos Espa Nafta

By Alaa El Bedewi | White Desert, Egypt

By Rustine Neuberger | Clinton MS

By Mandy Daniels | Derbyshire, UK

By Paul C. Peh | Lahaina, Hawaii, USA

By Miguel Sala | Javalambre Astrophysical Observatory (Teruel, Spain)

By FOTIS MAVROUDAKIS | Drama, Greece

By Cecille Kennedy | Boiler Bay State Park, Oregon