{"id":57248,"date":"2023-02-24T11:42:14","date_gmt":"2023-02-24T16:42:14","guid":{"rendered":"https:\/\/cablemanpro.com\/wallstreetpr\/outer-shell-of-venus-may-be-resurfacing-the-planet-nasa-says-57248"},"modified":"2023-02-24T11:42:14","modified_gmt":"2023-02-24T16:42:14","slug":"outer-shell-of-venus-may-be-resurfacing-the-planet-nasa-says","status":"publish","type":"post","link":"https:\/\/cablemanpro.com\/wallstreetpr\/outer-shell-of-venus-may-be-resurfacing-the-planet-nasa-says-57248","title":{"rendered":"Outer shell of Venus may be resurfacing the planet, NASA says"},"content":{"rendered":"
\n

The squishy outer shell of Venus<\/a> may be resurfacing the planet, according to researchers.\u00a0<\/p>\n

Using three-decade-old data from NASA’s Magellan mission, agency scientists examined how Venus cools, finding that thin regions of the planet’s uppermost layer may have an answer.\u00a0<\/p>\n

By making measurements of quasi-circular geological features on Venus called “coronae” in the Magellan images, the team concluded that coronae tend to be located where the planet\u2019s lithosphere is at its thinnest and most active.<\/p>\n

A thin lithosphere allows more heat to escape from the planet\u2019s interior via buoyant plumes of molten rock rising to the outer layer, according to NASA. Where there’s enhanced heat flow, there’s increased volcanic activity below the surface, so coronae likely reveal locations where active geology is shaping Venus\u2019 surface.<\/p>\n

EARTH-SIZED EXOPLANET DISCOVERED USING NASA DATA<\/strong><\/a><\/p>\n

Focusing on 65 unstudied coronae<\/a>, the group measured the depth of the trenches and ridges around each one to calculate the thickness of the lithosphere surrounding them. They found that ridges are spaced closer together in areas where the lithosphere is more flexible. Using computer modeling, they determined that, on average, the lithosphere around each corona is about seven miles thick \u2013 much thinner than previous studies suggested.\u00a0<\/p>\n

The regions have an estimated heat flow that is greater than Earth\u2019s average, suggesting that coronae are geologically active.<\/p>\n

NEW HUBBLE TELESCOPE IMAGE OF SATURN REVEALS MYSTERIOUS FEATURES<\/u><\/strong><\/a><\/p>\n

“While Venus doesn\u2019t have Earth-style tectonics, these regions of thin lithosphere appear to be allowing significant amounts of heat to escape, similar to areas where new tectonic plates form on Earth\u2019s seafloor,” Suzanne Smrekar, a senior research scientist at NASA\u2019s Jet Propulsion Laboratory, said in a statement. Smrekar led the study published in the journal Nature Geoscience.<\/p>\n

By counting the number of Venusian impact craters, scientists estimate that its surface is relatively young. Studies suggesting that Venus’ youthful-looking surface is likely due to volcanic activity \u2013 driving regional resurfacing \u2013 are supported by the new research that indicates higher heat flow in coronae regions.\u00a0<\/p>\n

“What\u2019s interesting is that Venus provides a window into the past to help us better understand how Earth may have looked<\/a> over 2.5 billion years ago. It\u2019s in a state that is predicted to occur before a planet forms tectonic plates,” Smrekar said.<\/p>\n<\/div>\n

Source – https:\/\/www.foxnews.com\/science\/outer-shell-venus-resurfacing-planet-nasa-says <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

The squishy outer shell of Venus may be resurfacing the planet, according to researchers.\u00a0 Using three-decade-old data from NASA’s Magellan mission, agency scientists examined how […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":{"twitter_2902945987_2902945987":""},"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[16563],"tags":[],"stock_ticker":[],"class_list":["post-57248","post","type-post","status-publish","format-standard","hentry","category-market-news","entry"],"acf":[],"yoast_head":"\nOuter shell of Venus may be resurfacing the planet, NASA says - Wall Street PR<\/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:\/\/cablemanpro.com\/wallstreetpr\/outer-shell-of-venus-may-be-resurfacing-the-planet-nasa-says-57248\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Outer shell of Venus may be resurfacing the planet, NASA says - 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