Some Comets are Naked, and One Just Got Caught Photo-Bombing
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4 Articles
Universe Today
Knowridge Science ReportSome Comets are Naked, and One Just Got Caught Photo-Bombing
Japanese researchers got lucky when a comet they wanted to study was found photo-bombing archival images from Japan's Subaru Telescope. The Subaru, with its 8.2 meter mirror, happened to image comet 28P/Neujmin from just the right angle to accurately characterize its surface. Their work is part of the ongoing effort to understand comets and asteroids, why some of them share properties, and what that means for their formation and evolution as Sol…
Comet 28P Has No Visible Coma Even Far Beyond Saturn
Comets are usually introduced through their tails, but a recent Subaru Telescope observation captured one without the cloud that gives a comet its familiar appearance. Comet 28P/Neujmin was more than 10 astronomical units from the Sun—farther out than Saturn—when the 8.2-meter telescope found no visible coma around its nucleus. The image comes from Subaru’s archive […] The post Comet 28P Has No Visible Coma Even Far Beyond Saturn appeared first …
Observing comets presents significant challenges for astronomers, especially due to the formation of a coma around the nucleus when they approach the Sun. This layer of gas and dust makes it difficult to visualize the nucleus, making it necessary to use large telescopes, such as the Subaru telescope located in Hawaii. Observing comets and the challenges involved: Comets are most visible when they are close to the Sun, but this proximity generate…
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