Monday, December 15, 2025
.. copy and pasted from the truly wonderful website: "Daily Galaxy" .. article written by Lydia Amazouz.. by the mystical Lydia Amazouz.. with her miraculous last name 'Amazous'.. with her miraculous last name.. is this another Halley's comet with Ishtar and Inanna, Anath, Tammuz.. and Dumuzi?.. Who is Dumuzi? .. Who is the mysterious King God Dumuzi..
Daily Galaxy
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This rare interstellar comet is passing close to Earth this week—and you can see it!
Story by Lydia Amazouz • 8h •
2 min read
Image credit: NASA, ESA, STScI, D. Jewitt (UCLA). Image Processing: J. DePasquale (STScI | The Daily Galaxy --Great Discoveries Channel
Image credit: NASA, ESA, STScI, D. Jewitt (UCLA). Image Processing: J. DePasquale (STScI | The Daily Galaxy --Great Discoveries Channel
© Daily Galaxy CA
Astronomers are gearing up for a rare event this December. The interstellar comet 3I/ATLAS, an erratic wanderer from beyond our solar system, is set to make its closest approach to Earth. This once-in-a-lifetime opportunity will not only provide a spectacular celestial show but also help scientists deepen their understanding of planet formation in distant star systems. Darryl Z. Seligman, Assistant Professor of Physics and Astronomy at Michigan State University, discusses the excitement and significance of this rare event.
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The Comet’s Epic Journey: A Cosmic Visitor
Comet 3I/ATLAS, discovered earlier this year, is part of a unique group of interstellar objects that have caught the attention of astronomers worldwide. Unlike the objects we are familiar with in our solar system, 3I/ATLAS comes from outside the Milky Way, traveling along a hyperbolic orbit that means it won’t return once it passes by. The comet’s brief appearance in our solar system has given scientists a rare chance to study an object from another star system, and the December 19 close approach will bring it even closer to our planet than ever before.
As Darryl Z. Seligman points out in a recent Space.com article, this approach will offer astronomers an invaluable opportunity to observe how this comet behaves, learn about its composition, and compare it with other comets that originate from our own solar system. Its flyby could even provide answers to some of the most significant questions about planetary formation in the broader universe.
Why the Close Approach Matters to Science
The significance of 3I/ATLAS’s close approach goes beyond just its visual spectacle. This event offers astronomers the best chance to analyze a comet from another star system, providing vital insights into how planets form around stars far from our own.
“On Dec. 19, just six days before Christmas, this erratic wanderer will be the closest to Earth that it will ever be over the lifetime of the entire universe. You’ll be able to get a glimpse of it up close with a small telescope or very powerful binoculars. This close approach also offers astronomers our best opportunity to look up close and learn about how planet formation in exoplanetary systems is similar or different to how it unfolded in our solar system,” said Seligman.
This close-up examination could reveal new data about the types of ices that form in distant star systems, which in turn could shed light on the early stages of planetary formation elsewhere in the galaxy. Observing how thisinterstellar visitor behaves as it passes through our solar system might also reveal more about the processes that create comets in the first place.
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