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Top News In செயற்கைக்கோள் தொலைபேசி Today - Breaking & Trending Today

Biden delays satellite traffic control as near-misses rise

June 3, 2021
The US isn’t keeping up with the proliferation of new spacecraft in low-earth orbit, and the potential consequences are serious.
Megaconstellations, like those developed by SpaceX and OneWeb, will add tens of thousands of new satellites to the environment around the planet. University of Southampton professor Hugh Lewis used data from the Center for Space Standards & Innovation to visualize how often satellites are expected to pass by each other, based on their present positions.
Satellite operators become concerned when their satellites are expected to pass within a kilometer of another spacecraft, given the uncertainty involved in predicting their movement. The data show a significant escalation in close conjunctions involving satellites in the new megaconstellations. ....

United States , White House , District Of Columbia , Hugh Lewis , Joe Biden , Jim Cooper , University Of Southampton , Department Of Defense , Department Of Commerce Office Space , European Space Agency , Aerospace Corporation , Office Of Space Commerce , National Academy , Space Standards , Bill Ailor , Space Commerce , Endless Frontier Act , Edited By Ana Campoy , Space Business , ஒன்றுபட்டது மாநிலங்களில் , வெள்ளை வீடு , மாவட்டம் ஆஃப் கொலம்பியா , ஹக் லெவிஸ் , ஓஹோ பிடென் , ஜிம் கூப்பர் , பல்கலைக்கழகம் ஆஃப் சவுத்தாம்ப்டன் ,

China, Russia, working on weapons that can kill US GPS satellites

The Global Positioning System (GPS) satellites used by the U.S. military are under threat from Chinese and Russian lasers and electronic jammers. Speaking with lawmakers at the House [.] ....

North Korea , United States , Johnw Jay Raymond , John Roth , Charles Brown , Grasse Tyson , Us Space Force , Department Of Defense , National Intelligence , Natural News , Global Positioning System , House Appropriations Defense Subcommittee , Space Operations , Air Force , Acting Air Force Secretary John Roth , Air Force Chief , Space Force , Cyber Warfare , National Security , Space Weapons , Military Tech , Satellite Killer , வடக்கு கொரியா , ஒன்றுபட்டது மாநிலங்களில் , ஜான் ரோத் , சார்லஸ் பழுப்பு ,

Sunil Mittal-backed OneWeb launches 36 more satellites - The Hindu BusinessLine

The launch will represent the fourth in a five-launch programme ....

United Kingdom , United States , James Hinds , Low Earth Orbit , Northern Europe , Arctic Seas , Space Coast , ஒன்றுபட்டது கிஂக்டம் , ஒன்றுபட்டது மாநிலங்களில் , ஜேம்ஸ் தடை , குறைந்த பூமி ஆர்‌பிட் , வடக்கு யூரோப் , ஆர்க்டிக் கடல்கள் , இடம் கடற்கரை ,

It's a bird! It's a plane! Better, it's a satellite

The weight of the satellite has no bearing on its speed, which depends only on how far off the surface of the Earth it is positioned. Bring the satellite closer, and it will orbit faster. Send it too high, and it will shoot off into space ....

Elon Musk , International Space Station , சர்வதேச இடம் நிலையம் ,

Satellite Data May Have Underestimated Global Warming

A new study on climate-tracking satellites suggests our measurements have likely been underestimating the warming of the troposphere (the lowest region of the atmosphere) during the last four decades, which could indicate the global warming that has already happened may be substantially worse than we thought.
The study, published in the
Journal of Climate, shows the satellite data used by scientists to create climate models doesn t meet the basic physics equations that regulate the relationship between temperature and moisture in the air.
This indicates that satellite measurements of the troposphere have either understated or overstated its temperature and moisture, and the data that indicate the least warming might be the least accurate. ....

Lawrence Livermore National Laboratory , Livermore National Laboratory , Live Science , Global Warming , லாரன்ஸ் லிவர்மோர் தேசிய ஆய்வகம் , லிவர்மோர் தேசிய ஆய்வகம் , வாழ அறிவியல் ,