From a Math Puzzle to an Odd Moon

Asked for an odd moon, my friend Bob thought of Keith Moon, a witty but incorrect answer. If you hated age-problems in high school algebra, you have plenty of company. I've even heard teachers complain that they are contrived instruments of torture. (I think they are merely tired of teaching a curriculum over which they... Continue Reading →

Why are the orbits of our planets not equally eccentric?

How fitting that the 2 planets with the most circular orbits (lowest eccentricities) are named after Venus, the goddess of love and fertility, and Neptune, the god of fresh water and sea, while those with the least circular orbits honor the gods of commerce (Mercury) and the underworld (Pluto)! There is a reason behind the... Continue Reading →

A Neat Comet

Comet C/2001 Q4, also known as NEAT. Its coma, or head, and a portion of its tail are visible in this image taken from Kitt Peak National Observatory near Tucson, Arizona. Those of us who live in the Northern hemisphere have probably forgotten the comet because it was only visible to the naked eye of... Continue Reading →

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