Author Archives: arjaybe

About arjaybe

Jim has fought forest fires and controlled traffic in the air and on the sea. Now he writes stories.

Sprites

Posted on 2013-12-09 by arjaybe

Cloud of the Day – Sprites Another non-cloud cloud of the day, sprites are electrical phenomena. They emanate upward from the tops of thunderclouds, as lightning plays around the bottoms. Sprites weren’t caught on film before 1989, and only seriously … Continue reading →

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Aurora

Posted on 2013-12-01 by arjaybe

Cloud of the Day – Aurora Aurora is not clouds. Clouds can’t form in the tenuous wisps of atmosphere found at the heights, approximately 90 – 1,000 kilometers, where aurora occurs. Therefore, it is wrong for me to call aurora … Continue reading →

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Size – Stars

Posted on 2013-11-25 by arjaybe

Click images for larger versions. How big is the biggest* star? I’m sure most people, once they learn that stars come in different sizes, will ask themselves that question. The answer, of course, is provisional. According to calculations, the biggest … Continue reading →

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