Noctilucent

 

A Solstice Night in Paris

The night of June 21 was the shortest night for planet Earth's northern latitudes, so at latitude 48.9 degrees north, Paris was no exception.

Noctilucent Clouds, Reflections, and Silhouettes

Sometimes it's night on the ground but day in the air. As the Earth rotates to eclipse the Sun, sunset rises up from the ground.

Astronomy Picture of the Day: Noctilucent Clouds over Paris Fireworks

It's northern noctilucent cloud season -- perhaps a time to celebrate!

Astronomy Picture of the Day: A Northern Summer's Night

Near a summer's midnight a mist haunts the river bank in this dreamlike skyscape taken on July 3rd from northern Denmark.

Astronomy Picture of the Day: Northern Lights and Noctilucent Clouds

Skies after the near-solstice sunset on June 17 are reflected in this calm lake.

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