With expert astronomy guidance, sea-aged wine, and learning about Indigenous culture, Hurtigruten offers a fresh perspective ...

8. The view shows a rocky hill with filmy, almost fog-like clouds above. These are noctilucent (night-shining) clouds. “Even though the sun has set in Gale Crater, the clouds are high enough in ...

The clouds can be spotted in summertime before sunrise and sunset. Also known as night shining clouds, they are visible when ice crystals form high in Earth's atmosphere and are underlit by the Sun.

A sea of clouds may cover the area on mornings from ... a large temperature difference between daytime and night on the previous day; and clear weather on the previous night.

From the ground, the ethereal cloud formations can only be seen during astronomical twilight. That's the point in the night when most of the sky has grown dark, but the rays from the sun can still ...