Mars in 4K: Where Winds and Landscapes Transform Through NASA's Perseverance and Curiosity Lenses скачать в хорошем качестве

Mars in 4K: Where Winds and Landscapes Transform Through NASA's Perseverance and Curiosity Lenses

Mars, often called the "Rusty Red Planet" has a surface that seems still but is shaped by unseen forces as seen by NASA's robotic mission Perseverance and Curiosity. While it looks desolate, strong winds known as microbursts erode and reshape dunes in constant motion. These powerful winds, reaching speeds up to 60 km/h according to MRO data, show that even on this dry world, dynamic processes shape its surface. DUNE MOTION REVEALS POWERFUL WINDS The study of these Martian microbursts lies at the heart of planetary meteorology. By analyzing images captured by MRO and other orbiting spacecraft, scientists identify recurring patterns in wind direction and speed. These localized storms exhibit a diurnal cycle, with peak intensity typically occurring during the midday or early afternoon Martian solar time. Microbursts' influence extends far beyond their immediate area. Microbursts contribute to dust devil formation by triggering vortices that can reach heights of several kilometers. These dust devils further reshape the landscape by transporting sediment. Analysis of microburst activity provides new understanding into Mars' thin atmosphere, approximately 100 millibars thick, particularly regarding atmospheric pressure distribution and the concentration of trace gases such as carbon dioxide and methane. This data sheds light on the delicate balance between the Martian surface environment and its tenuous upper layers. STORMS SHAPE LANDSCAPES ON MARS Curiously, Martian microbursts share similarities with turbulent diffusion observed in Earth’s oceans. Both involve the rapid mixing of fluids due to chaotic eddies and currents driven by energy gradients within the fluid. On Earth, this process is crucial for distributing nutrients and heat throughout aquatic ecosystems. This similarity raises an intriguing question: Could such events on Mars play a comparable role? Might they contribute to the movement of dust, ice, and even trace organic compounds across its surface? Could these relatively minor storms influence the evolution of Martian geology? And could they potentially contain liquid water signs? Visualisations of Mars planet and voice — by iGadgetPro Credit for real RAW-images of Mars: NASA/JPL-Caltech/ASU | nasa.gov | NASA/JPL-Caltech/MSSS DIrect link to source NASA's image on the thumbnail: https://mars.nasa.gov/msl-raw-images/... All NASA's RAW-images were colorized, processed and edited by iGadgetPro Timecodes 0:00 - Intro 0:32 - Definition of Martian microbursts and their formation 1:08 - Size and wind speed of microbursts 2:45 - Erosional and depositional features caused by microbursts 3:20 - Lifespan and impact on dust transport 4:57 - Diurnal peak in microburst frequency 5:34 - Role of solar radiation in driving Martian weather 6:19 - Mars' atmospheric circulation on visuals by iGadgetPro #Mars #nasamars #marsin4k #Microbursts #PlanetaryMeteorology #DustDevils #AtmosphericScience