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A Double Star Cluster in Perseus apod.nasa.gov/apod/ap221122.ht… #APOD
#APOD
in reply to NASA

You all should know that now, 20 years into teaching astronomy, I open every single class with that day's APOD. Sometimes it is spot-on for what we are studying at the time. At other times it opens doorways into new lines of discussion and thinking. Thank you.

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