New Story in the Star Tribune:
A few years ago, in the fall, I went camping in the Boundary Waters Canoe Area Wilderness on a string of clear nights. When the sun set, there was no moon and the stars came alive in the sky, billions of them stretching from one horizon to the other. In the dark, I lay on a warm rock near the water for a long time, watching meteors flare and satellites circle the earth before turning in.
Later, I got up in the night, stepped out of my tent and looked north. The big dipper still hung there, only it had spun, like someone reached down and turned it with a giant hand. For a few seconds I stood there, struck by the palpable sense of being on a planet spinning through space.
A few days later, I was back in Minneapolis, where I would look at the night sky and think of all the stars I couldn’t see. Instead, there I saw a bluish haze with a few bright points. This is what’s known as the “skyglow” and it’s something that increases every year, blocking more of the cosmos from our view.
Photo via NASA Astronomy Picture of the Day.
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