All Things Being Equal, It Must Be Fall

Happy first day of spring! That’s what they’ll be saying tomorrow in the southern hemisphere. Here in the north the first moment of fall ticks off Monday morning Sept. 23 at 2:50 a.m. (Central Time). The sun has been slowly sinking southward since the first day of summer, when it shone from its highest point…
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Juno Captures Io’s Otherworldly Shadow At Jupiter

Wait, is that black hole devouring Jupiter? No worries. It’s the shadow cast by the moon Io. Io is one of Jupiter’s four largest satellites with a diameter of 2,264 miles (3,644 km), only a hundred miles bigger than our own moon. What makes the photo so striking is the perspective. NASA’s Juno spacecraft took…
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Our Favorite Satellite Is Back — Hello ISS!

Now through early October northern hemisphere skywatchers can see the International Space Station pass over your house, apartment or tent at dusk. Southern hemisphere observers can catch it at dawn. Dusk comes much earlier now as we approach fall. Sunsets are around 7:15 with dark skies by 8:30-9 p.m. I can’t get over how easy…
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Celebrate The Night Sky Week Now Through Sept. 21

Want to learn how to make the sky darker so your kids’ kids will still be able to go out and look at the stars? Pick up some pointers and enjoy some wonderful view of the planets and brighter sky objects this week in Duluth, Minn. Starry Skies Lake Superior is hosting Celebrate the Night…
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Amateur Astronomer Discovers First Interstellar Comet

On August 30, Russian amateur astronomer Gennady Borisov captured a most unusual object in a photograph taken with his homebuilt 25.6-inch (0.65-meter) telescope. It didn’t look like much — just a fuzzy spot with a hint of fan-shaped tail. Yes, it was a comet, but not just any comet. This one had blown in from…
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