Returned to the Star Observer blog and admired the open cluster sketches. They really are fascinating. Headed into the Articles section and read his report on 40 Eridani. Then I checked one of his resources, the black-body radiation graphical tool from the University of Colorado, one of the PhET Interactive Simulations.
Cool! This got me thinking again about an interactive tool while at the eyepiece that could show double star colours...
Oh. The PhET tool is implemented with Flash. I wondered if there were other solutions that did not rely on Flash software.
Saturday, March 10, 2018
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