{"id":153049,"date":"2025-07-03T14:37:09","date_gmt":"2025-07-03T14:37:09","guid":{"rendered":"https:\/\/teknomers.com\/en\/how-large-is-the-interstellar-comet-3i-atlas-does-it-pose-any-danger-to-earth-here-is-what-we-know-about-this-newly-discovered-celestial-object\/"},"modified":"2025-07-03T14:37:11","modified_gmt":"2025-07-03T14:37:11","slug":"how-large-is-the-interstellar-comet-3i-atlas-does-it-pose-any-danger-to-earth-here-is-what-we-know-about-this-newly-discovered-celestial-object","status":"publish","type":"post","link":"https:\/\/teknomers.com\/en\/how-large-is-the-interstellar-comet-3i-atlas-does-it-pose-any-danger-to-earth-here-is-what-we-know-about-this-newly-discovered-celestial-object\/","title":{"rendered":"How large is the interstellar comet 3I\/ATLAS? Does it pose any danger to Earth? Here is what we know about this newly discovered celestial object."},"content":{"rendered":"\n
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The Discovery of Comet 3I\/ATLAS: A Glimpse into the Cosmic Unknown<\/h2>\n

On July 1st, astronomers made a groundbreaking discovery: \u00a0Comet 3I\/ATLAS\u00a0 is an interstellar comet, marking the \u00a0third confirmed visit\u00a0 from an object originating outside our solar system. This astonishing find was made in less than three days, following the detection of two previous interstellar visitors, thus shining a light on the mysteries of our cosmos.<\/p>\n

The discovery occurred in \u00a0Chile\u00a0 using one of the telescopes from the \u00a0ATLAS\u00a0 early warning network, which is primarily designed to detect asteroids that may pose a risk to Earth. However, since it scans the sky, it picks up a variety of celestial objects. According to \u00a0Julia de Le\u00f3n\u00a0, a researcher at the \u00a0Institute of Astrophysics of Canary Islands (IAC)\u00a0 and the head of its Solar System group, “It was a very rapid discovery. The comet has generated significant interest among scientists.” This enthusiasm is fueled by the comet’s remarkable trajectory and potential for new insights into the \u00a0origins of our solar system\u00a0.<\/p>\n

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Images captured during the night of July 2 with the ATLAS-Teide telescope<\/span>IAC<\/span><\/span><\/p>\n<\/figcaption><\/figure>\n<\/p>\n

In the past few days, several telescopes at the \u00a0Tenerife Observatory\u00a0 have also been tracking this interstellar object. The team utilized the \u00a0ATLAS-Teide\u00a0, along with a 1-meter telescope named \u00a0TST\u00a0 and a 2-meter telescope called \u00a0TTT\u00a0 to collect data. These recent observations have helped to determine the orbit of the comet and confirmed the existence of an extended coma\u2014an outward envelope that is typically associated with comets.<\/p>\n

According to Julia de Le\u00f3n, “Currently, the comet is heading towards the Sun. It will reach its closest approach to our star on \u00a0October 30\u00a0, positioning itself approximately \u00a01.354 astronomical units\u00a0 from the Sun, equivalent to about \u00a0200 million kilometers\u00a0.” She emphasizes that this comet poses no threat to Earth. “When it makes its closest approach to our planet between \u00a0December 18 and 19\u00a0, it will be around \u00a0270 million kilometers away\u00a0, which is about \u00a01.8 astronomical units\u00a0,” she added.<\/p>\n

Initial size estimates suggest that \u00a03I\/ATLAS\u00a0 could have a diameter ranging from \u00a010 to 30 kilometers\u00a0. However, de Le\u00f3n cautions that this is merely an estimate. “The object reflects sunlight but does not emit any light of its own; its brightness depends on a number of factors such as size, distance, and composition,” she explained. The variability in a comet’s brightness can complicate accurate size measurements.<\/p>\n

Furthermore, Julia points out the unique characteristics of comets. “Comets contain ice, and as they approach the Sun, this ice transforms from solid to gaseous state, causing the comet to emit additional material that can obscure the nucleus.” As a result of this behavior, scientists will continue to monitor \u00a03I\/ATLAS\u00a0 closely.<\/p>\n

Understanding Interstellar Visitors<\/h2>\n

In the realm of interstellar objects, \u00a03I\/ATLAS\u00a0 joins an exclusive group that includes the well-known \u00a0Oumuamua\u00a0, discovered in 2017, and the comet \u00a02I\/Borisov\u00a0, identified in 2019. According to de Le\u00f3n, these objects enter our solar system, traverse it, and then depart. For \u00a0Oumuamua\u00a0, its early detection happened just as it was exiting the solar system, limiting detailed observation opportunities. This led to various speculative theories, including suggestions of it being an \u00a0alien spacecraft\u00a0; based on available data, de Le\u00f3n asserts that these claims are unfounded.<\/p>\n

Conversely, with \u00a0Borisov\u00a0, astronomers had the chance to study an incoming celestial body in detail. Julia de Le\u00f3n was among the first to capture its spectrum. “What we found indicated that Borisov was very similar to the majority of comets present in our own solar system,” she said. This comparison helps astronomers understand the diversity of cometary bodies across the universe.<\/p>\n

Looking ahead, the team at the Institute of Astrophysics of Canary Islands will continue monitoring \u00a03I\/ATLAS\u00a0 using the ATLAS-Teide telescope. Additional observations with two-meter and 80 cm telescopes, and the \u00a0Gran Telescopio Canarias (GTC)\u00a0, the largest optical and infrared telescope in the world, are also being scheduled.<\/p>\n

In summary, the discovery of Comet 3I\/ATLAS<\/strong> is not just a significant scientific achievement; it opens doors to deeper inquiry about the origins of our solar system and the nature of comets as they travel between the stars. As astronomers continue to gather and analyze data, we may uncover truths that have long eluded us, thereby enriching our understanding of the universe. The ongoing monitoring of this comet will hopefully provide more insights and perhaps even set the stage for understanding other interstellar visitors in the future.<\/p>\n


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General News – 2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

The Discovery of Comet 3I\/ATLAS: A Glimpse into the Cosmic Unknown On July 1st, astronomers made a groundbreaking discovery: \u00a0Comet 3I\/ATLAS\u00a0 is an interstellar comet, marking the \u00a0third confirmed visit\u00a0 from an object originating outside our solar system. This astonishing find was made in less than three days, following the detection of two previous interstellar […]<\/p>\n","protected":false},"author":1,"featured_media":153050,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36400],"tags":[36718,36717,36716],"class_list":["post-153049","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health","tag-ciencia","tag-ciencia-y-salud","tag-ciencia-y-salud-ciencia"],"_links":{"self":[{"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/posts\/153049","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/comments?post=153049"}],"version-history":[{"count":0,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/posts\/153049\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/media\/153050"}],"wp:attachment":[{"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/media?parent=153049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/categories?post=153049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/tags?post=153049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}