Realizations from Watching the Planets and the Moon

During this week of April 12th, 2020, early risers were rewarded with the sight of a waning crescent moon and three planets, Mars, Saturn and Jupiter, all fairly close to each other just before sunrise. On the 16th, I used a different shutter speed to capture a bit of detail from the moon, one that... Continue Reading →

A “What Am I?” Puzzle

If it wasn't for my atypical stellar atmosphere, I would be of no value to astronomers. I have a layer of ionized hydrogen and fully ionized helium, neither of which can lose energy to outer space. So these ions keep absorbing energy from my interior until I expand. This eventually lowers my density and allows... Continue Reading →

Fun With Shadows on the Winter Solstice

Walking back from an errand yesterday morning, I was startled by the length of my shadow, almost 10 meters long. Yesterday, the first day of winter, marked the pinnacle of shadow-length. From today onward, as the days will begin to lengthen, as solar angles become more generous, concentrating solar radiation on less area, the march... Continue Reading →

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