Friday, February 1, 2008. At any one moment in time, one half of the Earth is in sunlight, while the other half is in darkness. The edge dividing the daylight from night is called the circle of illumination. The orbit of the Earth around the Sun is called an Earth revolution.

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An interactive open-access journal of the European Geosciences Union. ESURFD - Volumes and issues. Volume 3, Number 3. Volume 3, Number 2. Volume 3, Number 1. Volume 2, Number 2. Volume 2, Number 1. Volume 1, Number 1.

An interactive open-access journal of the European Geosciences Union. The following lists the final revised papers grouped in their volumes and issues. Their corresponding discussion papers and discussion comments are shown alongside the articles.

Monday, October 17, 2011. I was so happy to hear this. Life is made up of memories, some good, some not so good. Holding on to the best memories brings light into our lives. When we remember the times someone was kind to us, when they cared for us, or when they helped us see things in a new light, our hearts are filled with love and gratitude. Wednesday, October 5, 2011. New Sea Glass Designs for the Holidays.