The recent anniversary of the first Moon landing reminds us that Summer is an ideal time for outdoor star-gazing. Virtual star-gazing, however, can be interesting, too. See Wiki Sky, for instance. In this free virtual planetarium, you will discover all sorts of interesting information about, and images of, the night sky. Just click the “getting started” link at the top of the page and see for yourself.
Ernster, the Virtual Library Cat
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