Green sky

云海 54573

Clouds in the sky, natural scenery, 54504

Clouds in the sky, natural scenery, 54504

White clouds floating on the blue sky 54433

White clouds floating on the blue sky 54433

Blue sky and white clouds 54356

Blue sky and white clouds 54356

Beautiful cloud sea in the sky 54273

Beautiful cloud sea in the sky 54273

Overlooking the cloud clouds in the sky 53106

Overlooking the cloud clouds in the sky 53106

High up in the beautiful clouds 52742

High up in the beautiful clouds 52742

Beautiful mountain of clouds clouds 52690

Beautiful mountain of clouds clouds 52690

Clouds 50839

That includes light pollution," Mrachina said. "If you're standing in the middle of Times Square, you're not going to get as good results as if you're in a desert or on a beach." 44582

That includes light pollution," Mrachina said. "If you're standing in the middle of Times Square, you're not going to get as good results as if you're in a desert or on a beach." 44582

Supermoon rises in weekend night sky 44581

Supermoon rises in weekend night sky 44581

In the light of the moon, you can see the ancient crust was formed 4.5 billion years ago. And then there is the lunar crater, bowl-shaped depressions, also formed by the impact of asteroids crashing into the moon's surface. 44580

In the light of the moon, you can see the ancient crust was formed 4.5 billion years ago. And then there is the lunar crater, bowl-shaped depressions, also formed by the impact of asteroids crashing into the moon's surface. 44580

Sunday's Supermoon: Overhyped? 44579

Sunday's Supermoon: Overhyped? 44579

‘Supermoon’ to grace the skies this weekend 44578

‘Supermoon’ to grace the skies this weekend 44578

Happy Supermoon! Celebrate lunar largeness as a planetary holiday 44577

Happy Supermoon! Celebrate lunar largeness as a planetary holiday 44577

First day of summer 2013 has nothing on northern Norway's 60 days of sun 44576

First day of summer 2013 has nothing on northern Norway's 60 days of sun 44576

More than 20,000 people descended on Stonehenge to greet the sunrise on the longest day of the year. 44575

More than 20,000 people descended on Stonehenge to greet the sunrise on the longest day of the year. 44575

By sunset last night, 2,000 people had gathered to keep vigil. By 5am, 21,000 people were greeting the sunrise 44574

By sunset last night, 2,000 people had gathered to keep vigil. By 5am, 21,000 people were greeting the sunrise 44574

June 21 is the longest day of the calendar year, with daylight hours getting shorter from now on 44573

June 21 is the longest day of the calendar year, with daylight hours getting shorter from now on 44573

The solstice is a rare chance for members of the public to walk among the ancient Wiltshire stone circle 44572

The solstice is a rare chance for members of the public to walk among the ancient Wiltshire stone circle 44572