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Yes. For opponents, that makes the Virginia Department of Transportation’s planned Martinsville Southern Connector — a $745 million, 7.4-mile highway expansion in a shrinking corner of the state — all the more perplexing. NASA: 'New study shows Mercury is shrinking' It's official: Boeing's CEO just started a 'Private Space Race' Scientists make plans for 'Asgardia'- the first nation wide; Researchers discover new dwarf planet in our solar system; ExoMars mission prepares to reach Mars early next week; Scientists discover the birth of the triple-star system I can tell you some facts I know off by heart: 1. It doesn't really have an atmosphere, so it can't … The innermost world has shrunk as it has cooled over time, its surface cracking and wrinkling in the process. Mercury Is Shrinking Qaasim Ali May 3rd, 2019 My Question My Question My Question is "Why is Mercury Shrinking?" Mercury I don't think is shrinking, but it is definetely hot. Mercury Is Shrinking More Than Thought The latest views of the planet settle a decades-old argument about its evolution By Alexandra Witze , Nature magazine on December 10, 2013 Mercury is the smallest and innermost planet in the Solar System.Its orbit around the Sun takes 87.97 days, the shortest of all the planets in the Solar System. The solar system’s smallest planet has been shrinking at an unexpected rate, researchers announced on Thursday. Previous estimates led researchers to believe it had only shrunk by one or two kilometers. Mercury Is Shrinking . The fact that this planet closet to the sun is shrinking isn’t the surprise; scientists have known about it since the 1970s. The first comprehensive survey of the surface of Mercury by NASA's MESSENGER spacecraft shows that planet's crust has contracted as it cooled by as much as 4.4 miles (7 kilometers), significantly more than previous estimates. It's Mercury, first planet from the sun, also known as the "Incredible Shrinking Planet." Highway expansion is often pitched as necessary to combat congestion for a growing population. Wrinkle ridges on the surface of Mercury are thought to have been caused by the shrinking of the surface following the cooling and shrinking of the core of the planet. Every Friday, we take a look at a new and interesting scientific term to help us all expand our scientific vocabularies together. Text. - Videos from The Weather Channel | weather.com 4. The planet Mercury, which measures at around 3000 miles in diameter, or less than one 18th the mass and volume of Earth, is slowly getting smaller. Mercury is a little smaller than our Earth's moon. Today’s post is part of a special series here on Planet Pailly called Sciency Words. It’s getting smaller because its enormous metallic core is cooling and contracting. Images obtained by NASA’s MErcury Surface, Space ENvironment, GEochemistry, and Ranging spacecraft reveal previously undetected small fault scarps— cliff-like landforms that resemble stair steps. BALTIMORE — New research from NASA suggests that Mercury is shrinking and experiences seismic activity, joining Earth as the solar system’s other tectonically active planet. Mercury Mercury Mercury is the closest planet to the sun. A colossal canyon on Mercury may provide evidence that the tiny planet is shrinking. Axie Navas. Axie Navas. The solar system’s smallest planet is getting even smaller. Mercury is shrinking — and 4 other facts we've learned from NASA's MESSENGER probe By Joseph Stromberg Updated Apr 30, 2015, 8:42am EDT Share this story Mar 17, 2014. We knew from MESSENGER images that Mercury had contracted over a long time, but what we didn’t know was if the planet was still shrinking. Planet Mercury Is Shrinking Rapidly, Has Lost 7 Kilometers in Radius New findings indicate that Mercury has shrunk by up to seven kilometers in radius over the past four billion years. Mercury Is Shrinking Almost 9 miles narrower. But new images show that the shrinkage is several kilometers more than they previously observed. Email. In the mid-1970s, the NASA spacecraft Mariner did two fly-bys, photographing roughly 45% of the planet’s surface. According to lead researcher Paul Byrne from the Carnegie Institution of Washington, the small planet has contracted about seven kilometers (four miles), significantly more than revealed by previous findings. Scientists say Mercury is still shrinking. Researchers estimate that it has decreased in size by over 4 miles since it first solidified more than 4 billion years ago. By Julie Mahfood on March 17, 2014 4 Comments. The idea that Mercury's surface was somehow shrinking arose when Mariner 10 returned images of great scarps biting deep into the planet's surface. As the core cooled and shrank, the surface was forced to shrink also, developing ridges which are scatterred across the planet. SPACE – Mercury is getting smaller. The surface of Mercury is shrinking faster than previously thought, photos from a NASA spacecraft orbiting the tiny planet reveal. “This project goes against everything this administration, the Commonwealth The fact that this planet closet to the sun is shrinking isn’t the surprise; scientists have known about it … New NASA-funded research suggests that Mercury is contracting even today, joining Earth as a tectonically active planet.. Share on Facebook Follow on Facebook Add to Google+ Connect on Linked in Subscribe by Email Print This Post. Mercury is shrinking Over the past four billion years Mercury has shrunk by as much as 14 kilometers. Like a raisin spinning around the sun, Mercury is shrinking and wrinkling. New NASA research is shaking the foundations of what we thought we knew about Mercury: it is still tectonically active, something previously thought to be exclusive to Earth, and is shrinking. Mercury Is Shrinking Scientists have been puzzled about a planetary mystery for almost 40 years: why Mercury did not seem to have shrunk as much as it should have. Today’s word is: LOBATE SCARPS Since the Solar System formed 4.5 billion years ago, Mercury has decreased in… Ivanka Trump is famous for being able to compartmentalize, so it’s hard to know whether her feelings have been at all hurt by the many recent reports … Venus is the second, Earth is the third and dear old Mars is No. Mercury isn't the hottest planet even though it is closest Mercury, on the other hand, has only one solid shell for a crust, rather than Earth's many plates that shift about. Posted on March 18, 2014. Tweet. It is about 7km smaller today than when its crust first solidified over four billion years ago.. What would tell us if Mercury was still shrinking would be to find very small fault scarps, scarps so small that they’d have to be very young because small landforms cannot survive the steady meteoroid bombardment. Mercury is Shrinking!!! Well, … In a new study, researchers reveal Mercury is likely the only other tectonically active planet in our solar system. Advertisement You’d like to think you know your neighbors, but sometimes they’ll catch you off guard. Shrinking Mercury is all it's cracked up to be by Alan Duffy, The Conversation False colour image of Mercury taken by NASA’s MESSENGER spacecraft. But Mercury isn’t shrinking because of water loss. In a report published in the March 16th edition of Nature Geoscience, scientists revealed that the tiniest member of our Solar System, Mercury, is shrinking even further. Mercury is shrinking, Nasa space probe reveals. That diminutive world called “Mercury” is the first planet from our sun. It’s small, it’s hot, and it’s shrinking. They say the world is getting smaller -- and in Mercury’s case it’s literally true. By Richard Gray, Science Correspondent 03 July 2008 • 9:36pm . The incredible shrinking planet. Common knowledge, right? Scientists say it’s almost 9 miles less in diameter than it was about four billion years ago, and it’s apparently happening because it’s cooling. Over the past four billion years Mercury has shrunk by as much as 14 kilometers. As the inner core cools, it shrinks, causing the outer core and mantle above to also move slightly inwards, cracking the crust above. Using data from NASA’s Messenger spacecraft, researchers have discovered a … Mercury, the closest planet to the Sun and the smallest in the solar system, is shrinking, scientists say. Morning Earthlings. Believe it or not, the planet Mercury is shrinking! Mercury Is Slowly Shrinking, Home To Active Quakes. 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