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2012-09-24 23:01:19

Teachers are on a constant quest to hunt down ways in which they can not only simplify their own curriculum, but also ways in which they help students grasp the many principles of learning they

2011-10-13 16:00:00

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2004-10-19 04:45:43

Hertzsprung-Russell Diagram -- In stellar astronomy, the Hertzsprung-Russell diagram (H-R diagram) shows the relation between the absolute magnitude and the spectral types of stars. It was invented around 1910 by Ejnar Hertzsprung and Henry Norris Russell. There are two equivalent forms. One is the observer's form which plots the color of the star on one axis and the absolute magnitude on the other axis. The theoretician's form plots the temperature of the star on one axis and the...

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Word of the Day
logocentrism
  • The analysis of literature, focusing on the words and grammar to the exclusion of context or literary merit.
The word 'logocentrism' is a blend of logo- +‎ centrism.
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