Stars of Spring

Spring landscape of Alborz Mountains is illuminated by moonlight. Planet Saturn (the brightest in the picture) rises from the east and shines brightly at opposition (closest orbital distance to the Earth). Move the slider on the image to see the labels and figures. Constellation Leo, the symbol of spring nights in the northern hemisphere, is notable above Saturn. And Ursa Major with its prominent seven-star asterism called Big Dipper stands on the left. © Babak Tafreshi