Today's Image

Shining sea and sky

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December 11, 2017

Mohammad Rouhbakhsh of Tehran, Iran captured this image on December 1, 2017. It shows a beautiful combination of star trails – created by Earth’s spin during long-exposure photographs – and bioluminescent phytoplankton.

Eleanor Imster

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About the Author:

Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.