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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Hubble Takes A Beautiful Portrait Of Saturn

Let you eyes soak this one in. I look at Saturn all the time in my telescope. But this image made me stop and stare. It is so rich with detail and has such pleasing colors, it’s a joy to behold. When we think of the Hubble Space Telescope pictures of galaxies often come to…
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Harvest Moon This Friday — Fall Not Far Behind

Fall sneaks in at 2:50 a.m. (Central Time) on Monday September 23. We’ll literally wake up to a new season that morning. But before that happens, watch for the Harvest Moon this Friday night September 13. The big yellow moon will rise around sunset and shine all night. The Harvest Moon is the full moon…
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Two Comets Pass In The Night And More Amazing Cosmic Sights

Something very unusual happened during the wee hours of September 7. Two different comets appeared to almost cross paths in the sky. Despite appearances, the two objects weren’t physically close. Comet 260P/McNaught is very much in the foreground at a distance of about 56 million miles, while the look-a-like Comet C/2018 N2 ASASSN glowed from…
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Nature Loves Spheres — Here’s How She Makes Them

After a morning rain or a dewy night you’ve probably noticed blades of grass bejeweled with silvery water droplets. You’re more likely to spot them if you procrastinate on mowing the lawn — longer blades lean over and hold water beads like peas in a pod. Exactly this sight caught my attention earlier this week,…
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