{"id":238,"date":"2025-07-21T07:28:43","date_gmt":"2025-07-21T14:28:43","guid":{"rendered":"https:\/\/scienceblog.com\/esa\/?p=238"},"modified":"2025-07-21T07:28:43","modified_gmt":"2025-07-21T14:28:43","slug":"scientists-spot-planet-in-the-making-sculpting-its-stars-disc","status":"publish","type":"post","link":"https:\/\/scienceblog.com\/esa\/2025\/07\/21\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\/","title":{"rendered":"Scientists Spot Planet in the Making Sculpting Its Star\u2019s Disc"},"content":{"rendered":"<p>For the first time, astronomers may have caught a planet forming in real time, watching as it sculpts the swirling gas and dust around its young host star. Using the European Southern Observatory\u2019s (ESO) Very Large Telescope, researchers observed a bright signal nestled within a spiral arm of the star HD 135344B\u2019s protoplanetary disc\u2014right where theory predicted a newborn planet might emerge.<\/p>\n<h2>Planet caught shaping spiral arms 440 light-years away<\/h2>\n<p>Located about 440 light-years from Earth, HD 135344B is a young star encircled by a thick disc of gas and dust. These discs often display intricate patterns\u2014rings, gaps, or spirals\u2014that scientists suspect are carved by developing planets. But until now, no one had directly seen a protoplanet embedded in one of those spirals. The new observations, taken with the telescope\u2019s <strong>Enhanced Resolution Imager and Spectrograph (ERIS)<\/strong>, change that.<\/p>\n<p>\u201cWe will never witness the formation of Earth,\u201d said Francesco Maio, lead author of the study, \u201cbut here\u2026 we may be watching a planet come into existence in real time.\u201d The candidate planet is estimated to be about twice the mass of Jupiter and orbits its star at roughly the same distance as Neptune does from the Sun.<\/p>\n<h2>How the planet was found<\/h2>\n<p>Earlier instruments, like VLT\u2019s SPHERE and ALMA, revealed HD 135344B\u2019s dramatic spiral arms\u2014but no planet. ERIS, however, offers sharper imaging and was able to capture light emitted directly from the embedded object, boosting scientists\u2019 confidence in the detection.<\/p>\n<ul>\n<li>The candidate planet is embedded in a spiral arm of the disc<\/li>\n<li>It is roughly two times Jupiter\u2019s mass<\/li>\n<li>The planet appears at a distance comparable to Neptune\u2019s orbit<\/li>\n<li>Its location aligns precisely with theoretical predictions<\/li>\n<\/ul>\n<p>\u201cThis gives us a much higher level of confidence in the planet\u2019s existence, as we\u2019re observing the planet\u2019s own light,\u201d Maio said. He is a doctoral researcher at the Arcetri Astrophysical Observatory in Florence, part of Italy\u2019s National Institute for Astrophysics.<\/p>\n<h2>Another discovery hints at planetary birth by instability<\/h2>\n<p>In a second study, a team led by ESO researcher Anuroop Dasgupta observed another young star, V960 Mon, using ERIS. They identified a compact object near one of that star\u2019s spiral arms. This object may be a planet or a brown dwarf\u2014a failed star\u2014forming through <strong>gravitational instability<\/strong>, a process where massive clumps of material collapse under their own gravity.<\/p>\n<p>\u201cWith ERIS, we set out to find any compact, luminous fragments\u2026 and we did,\u201d Dasgupta said. If confirmed, this would be the first clear detection of a planet or substellar object forming via this collapse-driven method.<\/p>\n<h2>Unlocking the secrets of planetary formation<\/h2>\n<p>Both discoveries were made possible by ERIS\u2019s high sensitivity and resolution, which allow astronomers to peer through dusty discs and directly image faint objects. Together, they offer rare glimpses into the earliest stages of planetary life.<\/p>\n<p><strong>Primary study:<\/strong> Maio et al., \u201cUnveiling a protoplanet candidate embedded in the HD 135344B disk with VLT\/ERIS,\u201d <em>Astronomy &amp; Astrophysics<\/em> (DOI: <a href=\"https:\/\/doi.org\/10.1051\/0004-6361\/202554472\">10.1051\/0004-6361\/202554472<\/a>)<br \/>\n<strong>Secondary study:<\/strong> Dasgupta et al., <em>Astrophysical Journal Letters<\/em> (DOI: <a href=\"https:\/\/doi.org\/10.3847\/2041-8213\/ade996\">10.3847\/2041-8213\/ade996<\/a>)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>For the first time, astronomers may have caught a planet forming in real time, watching as it sculpts the swirling gas and dust around its young host star. Using the European Southern Observatory\u2019s (ESO) Very Large Telescope, researchers observed a bright signal nestled within a spiral arm of the star HD 135344B\u2019s protoplanetary disc\u2014right where &#8230; <a title=\"Scientists Spot Planet in the Making Sculpting Its Star\u2019s Disc\" class=\"read-more\" href=\"https:\/\/scienceblog.com\/esa\/2025\/07\/21\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\/\" aria-label=\"Read more about Scientists Spot Planet in the Making Sculpting Its Star\u2019s Disc\">Read more<\/a><\/p>\n","protected":false},"author":1296,"featured_media":239,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-explorations","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Scientists Spot Planet in the Making Sculpting Its Star\u2019s Disc - European Space Agency Tracker<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/scienceblog.com\/esa\/2025\/07\/21\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Scientists Spot Planet in the Making Sculpting Its Star\u2019s Disc\" \/>\n<meta property=\"og:description\" content=\"For the first time, astronomers may have caught a planet forming in real time, watching as it sculpts the swirling gas and dust around its young host star. Using the European Southern Observatory\u2019s (ESO) Very Large Telescope, researchers observed a bright signal nestled within a spiral arm of the star HD 135344B\u2019s protoplanetary disc\u2014right where ... Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/scienceblog.com\/esa\/2025\/07\/21\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\/\" \/>\n<meta property=\"og:site_name\" content=\"European Space Agency Tracker\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-21T14:28:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/scienceblog.com\/esa\/wp-content\/uploads\/sites\/13\/2025\/07\/planet-being-born.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"363\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"ESA Tracker\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"ESA Tracker\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/2025\\\/07\\\/21\\\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/2025\\\/07\\\/21\\\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\\\/\"},\"author\":{\"name\":\"ESA Tracker\",\"@id\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/#\\\/schema\\\/person\\\/61d50d3ff36ea94493c8c2d08f80f2b0\"},\"headline\":\"Scientists Spot Planet in the Making Sculpting Its Star\u2019s Disc\",\"datePublished\":\"2025-07-21T14:28:43+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/2025\\\/07\\\/21\\\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\\\/\"},\"wordCount\":523,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/2025\\\/07\\\/21\\\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/wp-content\\\/uploads\\\/sites\\\/13\\\/2025\\\/07\\\/planet-being-born.jpg\",\"articleSection\":[\"Science &amp; Explorations\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/scienceblog.com\\\/esa\\\/2025\\\/07\\\/21\\\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\\\/#respond\"]}],\"copyrightYear\":\"2025\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/scienceblog.com\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/2025\\\/07\\\/21\\\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\\\/\",\"url\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/2025\\\/07\\\/21\\\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\\\/\",\"name\":\"Scientists Spot Planet in the Making Sculpting Its Star\u2019s Disc - European Space Agency Tracker\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/2025\\\/07\\\/21\\\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/2025\\\/07\\\/21\\\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/wp-content\\\/uploads\\\/sites\\\/13\\\/2025\\\/07\\\/planet-being-born.jpg\",\"datePublished\":\"2025-07-21T14:28:43+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/2025\\\/07\\\/21\\\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/scienceblog.com\\\/esa\\\/2025\\\/07\\\/21\\\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/2025\\\/07\\\/21\\\/scientists-spot-planet-in-the-making-sculpting-its-stars-disc\\\/#primaryimage\",\"url\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/wp-content\\\/uploads\\\/sites\\\/13\\\/2025\\\/07\\\/planet-being-born.jpg\",\"contentUrl\":\"https:\\\/\\\/scienceblog.com\\\/esa\\\/wp-content\\\/uploads\\\/sites\\\/13\\\/2025\\\/07\\\/planet-being-born.jpg\",\"width\":700,\"height\":363,\"caption\":\"A new image from ESO\u2019s Very Large Telescope reveals a possible planet forming around the young star HD 135344B, nestled at the base of one of the disc\u2019s spiral arms\u2014just where theory predicted. 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Using the European Southern Observatory\u2019s (ESO) Very Large Telescope, researchers observed a bright signal nestled within a spiral arm of the star HD 135344B\u2019s protoplanetary disc\u2014right where ... 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Previous observations with SPHERE and ALMA showed the spirals but no companion; the ERIS instrument may have finally spotted the planet shaping them. Credit: ESO\/F. Maio et al.\/T. 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