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Did you know that NOAA ocean observations support NASA missions!? Human spaceflight & the deep ocean have an invisible but ever-important connection – to explore space, we also have to understand Earth’s oceans. Learn more about these ocean observations:

11,237 просмотров • 3 месяцев назад •via X (Twitter)

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🚨 SCIENTISTS JUST FOUND AN ANCIENT OCEAN FLOOR WRAPPED AROUND EARTH’S CORE. Using seismic waves recorded by stations buried in Antarctic ice, researchers have created the highest-resolution map yet of the boundary between Earth’s mantle and outer core nearly 3,000 km beneath our feet. They discovered thin but widespread patches of dense material that dramatically slow down seismic waves. The most likely explanation: these are fragments of ancient oceanic crust that sank into the deep mantle long ago and have been moved around by convection currents for hundreds of millions of years. In some places, these structures rise up to five times higher than Mount Everest. Why this matters: • It reveals that Earth’s deep interior is far more complex and dynamic than we thought • These patches likely influence how heat flows from the core into the mantle, which affects mantle convection and volcanic activity • They may also play a role in the behavior of Earth’s magnetic field, which is generated in the outer core • Understanding this boundary helps us better model how our planet has evolved over billions of years The deeper implication: We usually think of the deep Earth as relatively simple layers. This research shows that the core-mantle boundary is more like a rugged, geologically active landscape with ancient “mountains” made of recycled ocean floor. It’s a powerful reminder that Earth is a single, interconnected system what happens at the surface (like plate tectonics) can eventually end up reshaping the deepest parts of our planet, and vice versa. We’re still only beginning to map the true complexity hidden beneath our feet. How do you think discovering ancient ocean crust at the core-mantle boundary changes the way we should think about Earth’s internal dynamics? Follow for more frontier Earth science and discoveries about our planet’s hidden interior.

TheNewPhysics

37,534 просмотров • 1 месяц назад

🚨 NASA IS ABOUT TO LET A PRIVATE SPACECRAFT RESCUE ONE OF ITS MOST IMPORTANT TELESCOPES. The Neil Gehrels Swift Observatory has been hunting gamma-ray bursts the most powerful explosions in the universe since 2004. It’s still working perfectly, but Earth’s atmosphere has been slowly dragging it down toward a fiery reentry. Now, NASA is turning to a commercial company to save it. Katalyst Space Technologies’ robotic spacecraft Link will launch later this month, rendezvous with Swift, dock with it, and boost the telescope into a higher, safer orbit extending its life by years. Why this matters: • It’s the first time a private spacecraft will perform an orbital boost on a U.S. government science satellite • Swift remains one of the best tools we have for studying gamma-ray bursts and other high-energy cosmic events • Without this mission, the telescope could have deorbited as early as this year • It shows how commercial space companies are now capable of performing complex servicing missions that were once only possible for governments The deeper implication: We’re entering a new era where valuable scientific infrastructure in orbit doesn’t have to be considered disposable. Instead of building and launching entirely new telescopes when old ones start to decay, we can now extend their lives through commercial servicing. This approach is faster, cheaper, and more sustainable and it could become a standard model for protecting high-value space assets in the future. Sometimes the most important space missions aren’t about discovering something new. They’re about making sure we don’t lose what we already have. Would you support more commercial missions to rescue and extend aging space telescopes? Follow for more frontier space exploration, satellite servicing, and NASA missions.

TheNewPhysics

49,682 просмотров • 1 месяц назад

Long message, but trust me, it will be worth your time. Here is a remarkable update from Tamil Nadu’s tagged turtles. Early tracking data shows that some have already travelled to the Sri Lanka Dome, a little known ocean region where marine life gathers in extraordinary numbers. What makes this even more astonishing is that turtles migrating from Odisha are also expected to arrive in the same waters. Species from distant coastlines are converging at one natural marine hotspot shaped entirely by the rhythm of the ocean. The Sri Lanka Dome is created by powerful seasonal ocean processes that bring cool, nutrient-rich waters to the surface. This fuels plankton blooms and attracts turtles, fish, whales, seabirds, and countless other marine species. It is one of the most productive upwelling zones in the world’s oceans, beginning in May, reaching its peak in July, and declining in September. At that time, the turtles move out of the region and begin their return migration once again. These journeys reveal that turtles do not belong to one shoreline or one state. Their lives depend on a CONNECTED ocean, where feeding grounds, migration corridors, and breeding beaches all matter equally. Places like the Sri Lanka Dome remain unknown to most people, yet they are among the most important ecosystems in the Indian Ocean, like hidden engines that sustain marine biodiversity. The message from these turtles is clear. Conservation cannot stop at the beach. It must extend across borders and across seas because wildlife knows no boundaries 🙌🫶 With inputs from Dr Suresh Suresh Kumar

Supriya Sahu IAS

63,329 просмотров • 2 месяцев назад