pingvellir national park

pingvellir national park

By scott1346 - March 6, 2014

Astronomically, sunrise occurs for only an instant: the moment at which the upper limb of the Sun appears tangent to the horizon. However, the term sunrise commonly refers to periods of time both before and after this point. Twilight, the period during which the sky is light but the Sun is not yet visible (morning), or has just passed out of visibility (evening). The beginning of morning twilight is called dawn.(wikipedia)   [Read Full Description]

Palettes

15

by

2

Loves

22

Views

0

Favorites

0

Comments

night-2

by

0

Loves

29

Views

0

Favorites

0

Comments

Post a Comment

You must be logged in to post a comment.

Discovered By tony_panxiao

Added on March 6, 2014

Favorited By