By Judy Thomas | Durban, South Africa

By Dr Ski | Valencia Observatory Garden, Philippines

By Deborah Wertheim | Tannbark Ridge Overlook, Blue Ridge Parkway, Asheville, NC, USA

By Joe Randall | Mt. Elbert, Colorado

By David Pace | Fire Island lighthouse, NY

By Peter Lowenstein | Mutare, Zimbabwe

By Peter Lowenstein | Mutare, Zimbabwe

By Peter Lowenstein | Mutare, Zimbabwe

By Peter Lowenstein | Mutare, Zimbabwe

By john washco | Springfield , pa

By Jonathan Razo | San Francisco Bay Area

By Jonathan Razo | San Francisco Bay Area

By Hassan Dadashi.arani | Esfahan.iran

By Chirag Upreti | New Jersey

By Alexander Krivenyshev | New York, NY

By Ragini Chaturvedi | ColtsNeck, NJ