
Recently, to support her homeschooling curriculum, my wife procured a telescope that has a companion mobile app. The telescope had to be calibrated, and the process brought with it an unexpected parable.
My wife downloaded the app and followed the instructions, which directed her to point the telescope at an object at least 100 meters away. Our backyard is much too small for that to work; across the street is a short slope leading to a field and a manmade stream, but nothing out there is large enough to focus on. With the telescope standing on its tripod in our driveway, my wife saw the perfect object to use.
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