This blog is all about modern astronomy and physics. It is written by a professional astronomer. The blog will have my take on whatever is in the news right now. For 2012 I am starting a new series of history of astronomy blogs titled Remarkable Astronomers
The first decade of the 21st century concludes tomorrow as a Blue Moon rises in the east. In a definition dating from 1946, a Blue Moon is the second Full Moon in a calendar month. This phenomenon happens about once every 2.7 years.
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