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NASA’s first Earth-observing satellite was TIROS-1, which monitored cloud cover and weather patterns. Now, NASA operates more than 20 satellites that study Earth’s land, water, air, and climate, helping us learn more about this planet we call home. 🌎

15,124 次观看 • 7 个月前 •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 次观看 • 2 个月前

🚨 A SATELLITE JUST REVEALED SOMETHING SHOCKING: GPS JAMMING IS FAR MORE WIDESPREAD THAN ANYONE REALIZED. An experimental navigation satellite called Pulsar-0, flying just 500 km above Earth, has mapped GPS signal tampering from space for the first time and the scale surprised even the engineers who built it. As soon as the satellite passed over Europe and parts of the Middle East, its GPS receiver showed massive signal degradation. In the worst areas, signal strength dropped from a normal 40 decibels all the way down to just 10 decibels. Why this matters: • Ground-based jammers (used in conflicts like Ukraine and the Middle East) are now reaching all the way into low Earth orbit • Satellites like Starlink that rely on GPS for collision avoidance and positioning are being affected across a huge region from France to the borders of Pakistan • When GPS drops out, satellites can’t accurately point their antennas, maintain formation, or safely maneuver • This isn’t just a military problem it threatens the growing network of commercial satellites we increasingly depend on The deeper implication: We’ve long known that GPS signals on the ground can be jammed. What we didn’t fully appreciate is how far those jamming signals reach into space. Even satellites in low Earth orbit the backbone of global communications, Earth observation, and future mega-constellations are now operating in an increasingly hostile electromagnetic environment. Xona’s upcoming constellation aims to fix this with signals 100 times stronger than traditional GPS. But the bigger question remains: as more nations and groups weaponize jamming and spoofing, how resilient will our orbital infrastructure actually be? How concerned are you that GPS jamming is now reaching into space and affecting satellites? Follow for more frontier space technology and the hidden vulnerabilities of our orbital systems.

TheNewPhysics

50,100 次观看 • 2 个月前

Copepods, could stop climate change 5 gigatons of these 1mm-sized zooplankton called COPEPODS live in all the world’s Oceans. This is equivalent to 17 million 747 jets, and if you laid the jets end to end, they would go around the planet 31 times. The copepods migrate from around 200m below the ocean surface every night to feed on plants (phytoplankton) at the surface. It is the greatest mass migration of animals on the planet, and it happens twice a day. The vertical motion of the copepods moves just about as much water as the moon and the tides. The copepods eat 30 times more carbon than humanity generates from burning fossil fuels, and about 6%, or 3 gigatons, of their dead bodies and poop end up in the world’s largest carbon bank, the Abyss. The Abyss contains 500m to 1000’s of meters thick layer of organic carbon / mineral sludge with an area greater area than dry land on the planet. Yet humanity has wiped out more than 50% of marine plankton productivity over the last 70 years due to chemical and particle pollution. We have also wiped out 50% of Arctic krill, which are just as important. and we are now even contemplating dredging the ocean floor! We would not have had climate change if we had not poisoned and destroyed most of the world’s oceans. By 2045, the destruction will be complete unless we act now to stop the inevitable annihilation of nature and life on Earth. Let’s put things into perspective, in comparison to protecting nature, carbon mitigation, windmills and electric cars are almost a joke. Copepods churn the oceans; Bioclimatic climate change: this report provides what we consider to be the most accurate mechanism for climate disruption, and it’s not(only) carbon dioxide; via Howard Dryden

Thomas Reis

23,651 次观看 • 9 个月前

🚨 EARTH IS SPINNING SLIGHTLY FASTER AND FOR THE FIRST TIME, SCIENTISTS ARE SERIOUSLY DISCUSSING A “NEGATIVE LEAP SECOND”. For decades, Earth’s rotation has been gradually slowing, which is why we occasionally add a leap second to keep atomic clocks in sync with the planet. But since around 2018–2020, something unusual has happened: Earth has been rotating faster than expected. Several days in recent years (including June 29, 2022) were among the shortest ever recorded by atomic clocks. This acceleration has forced timekeepers to consider something that has never been done before: subtracting a second from official time (a negative leap second) instead of adding one. Why this matters: • A negative leap second would mean clocks skip a second (e.g., jumping from 23:59:58 straight to 00:00:00) • It would be the first time in history this has happened • It could affect GPS, financial systems, telecommunications, and any infrastructure that relies on precise timing • The leading theory links the speedup to changes in Earth’s liquid outer core, though melting ice sheets are partially counteracting the effect The deeper implication: Earth is not a perfect clock. Its rotation speed is influenced by complex interactions between the core, oceans, atmosphere, and even climate change. As we become more dependent on ultra-precise global timing, these small geophysical changes are no longer just scientific curiosities they’re potential infrastructure issues. A 2024 study in Nature suggested a negative leap second might be needed around 2029, though the exact timing remains uncertain and depends on how Earth’s rotation behaves in the coming years. Would you rather we keep adding/subtracting leap seconds forever, or should we eventually decouple our clocks from Earth’s imperfect rotation? Follow for more frontier Earth science and timekeeping realities.

TheNewPhysics

48,968 次观看 • 2 个月前

🚨 NASA JUST SHARED THE CLEAREST VIEW YET OF JUPITER’S MASSIVE HEXAGONAL STORM AT THE SOUTH POLE. This enormous, stable vortex roughly the width of Earth has been raging for years with a near-perfect hexagonal shape. At its center is a dark, powerful cyclone surrounded by turbulent, swirling bands of gas in constant motion. The hexagon is one of the most striking and mysterious atmospheric features in the Solar System. Scientists still don’t fully understand how it maintains its sharp, six-sided structure despite the chaotic winds around it. Why this matters: • It shows that giant planets can sustain extremely organized, long-lived weather systems on scales we don’t see on Earth • The hexagon is thought to be shaped by Jupiter’s rapid rotation and deep atmospheric dynamics • Studying it helps us understand how storms and atmospheric patterns work on gas giants in general including exoplanets • Juno’s close-up observations continue to reveal new details about the depth and structure of these polar vortices The deeper implication: Jupiter’s polar regions are turning out to be far more complex and structured than scientists expected. Features like this hexagon challenge our models of atmospheric physics and show that even in the most turbulent environments, nature can create remarkably stable, geometric patterns. As we study more gas giants (both in our Solar System and beyond), these kinds of observations help us understand the limits of weather, stability, and chaos on planetary scales. How do you think something this organized and long-lasting can exist in such a violent atmosphere? Follow for more frontier planetary science and stunning space imagery.

TheNewPhysics

460,141 次观看 • 2 个月前

🚨 A FORMER NASA ENGINEER CLAIMS HE’S DISCOVERED A “NEW FORCE” THAT CAN OVERCOME EARTH’S GRAVITY WITHOUT ANY PROPELLANT. Charles Buhler, who spent years leading NASA’s Electrostatics and Surface Physics Laboratory at Kennedy Space Center, says his private company Exodus Propulsion Technologies has found a way to generate thrust using only electric fields. In vacuum chamber tests, their device reportedly produced enough force to counteract Earth’s gravity a claim that would completely rewrite the rules of propulsion. Why this matters: For over a century, every rocket we’ve ever launched has had to carry massive amounts of fuel. If this “New Force” is real, spacecraft could one day maneuver indefinitely without expelling mass potentially making deep space travel, satellite station-keeping, and even atmospheric flight dramatically cheaper and more efficient. The deeper implication is staggering: We may be looking at the first real breakthrough in propellantless propulsion since the invention of the rocket. If verified, this wouldn’t just change space travel it could reshape how we think about energy, momentum, and the fundamental laws of physics. Of course, extraordinary claims require extraordinary evidence. As of now, the work is still awaiting independent replication by outside laboratories. But if this holds up… What changes first space travel, energy production, or something we haven’t even imagined yet? Follow for more frontier physics and emerging technologies.

TheNewPhysics

122,021 次观看 • 2 个月前

On April 26th, 2026, the Japan Meteorological Agency's Himawari-8 satellite captured a full day of Earth. Every ten minutes, for twenty-four hours, it photographed a complete hemisphere of the planet. One hundred forty-four individual photographs. No editing for content. No compositing. No CGI. No green screen. No hologram. No drawings. These are photographs, assembled into video. Himawari-8 is a geostationary weather satellite operated by Japan. It orbits at roughly twenty-two thousand miles above the equator, remaining fixed over one spot on the planet, orbiting at the same rate Earth rotates. It was launched in 2014. It takes photographs of Earth in visible light and infrared. It does this every ten minutes, every single day, year after year. These images are available to the public. Meteorologists worldwide use them for weather forecasting. News organizations use them. Scientists use them. You can access them yourself right now. What you're seeing over that twenty-four hour period is the terminator line moving -- the day-night boundary shifting as the planet's rotation carries different regions into and out of sunlight, all viewed from a fixed point in space. It is not a composite. It is not a trick. The curvature you see is not distortion. It is not perspective compression. It is the actual shape of the Earth as photographed by an independent satellite operated by a nation with no interest in perpetuating a NASA conspiracy. This is what Earth looks like from space. This is the globe holding atmosphere in place with gravity as you witness weather patterns moving across its surface. This is reality. (No fisheye lens was harmed in the making of this video.)

Alex Boge

12,187 次观看 • 3 个月前

🚨 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 次观看 • 2 个月前