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Interstellar comet 3I/ATLAS shows comet tail in new image
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Hey, Space Placers!
Comet 3I/ATLAS streaks across a dense star field in this image captured by the Gemini Multi-Object Spectrograph (GMOS) on the Gemini South telescope at Cerro Pachón in Chile. This image is composed of exposures taken through 4 filters: red, green, blue and ultraviolet. As exposures are taken, the comet remains fixed in the center of the telescope’s field of view. However, the positions of the background stars change relative to the comet, causing them to appear as colorful streaks in the final image. Image via International Gemini Observatory/ NOIRLab/ NSF/ AURA/ Shadow the Scientist. Image processing via J. Miller & M. Rodriguez (International Gemini Observatory/NSF NOIRLab)/ T.A. Rector (University of Alaska Anchorage/NSF NOIRLab)/ M. Zamani (NSF NOIRLab). Used with permission.
Astronomers captured these images of the famous interstellar object 3I/ATLAS live from the Gemini South telescope control room in Chile during Shadow the Scientists program in August, 2025. NOIRLab published this story on September 4. Edits by EarthSky.
Hey Space Placers! According to geologists we are living in the Holocene epoch. But due to humanity's interaction with Earth's biophysical system there is the informal declaration that we are in the "Anthropocene" Era representing the latter half of the 18th Century to present day. Human activity is starting to be seen in the geologic record, from lead, methane and PLASTIC, yes plastic - deposits in the rock layers. Take a moment to read this enlightening article . You'll be glad you did. Sky Guy in VA
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