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When astronauts first travel to Mars or anywhere else in deep space, they will have to contend with two problems that our planet protects us from on its surface—radiation and weightlessness. Scientists already know both can have a profound impact on the human body, but the extent of that impact and how long it can […] The space industry is rapidly expanding. About 20,000 satellites already circle Earth, a number that could reach 100,000 by 2030. They bring growing environmental costs: space debris, collision risks, atmospheric pollution from launches and reentry and interference with astronomical observations. Go to Source Astronomers have found two actively feeding supermassive black holes separated by just 175 parsecs (570 light-years) in a galaxy seen when the universe was only about 2 billion years old. The system, MG B2016+112, lies at a redshift of 3.273 and is the most compact dual AGN known at this redshift. The study was posted […] A research team from the Kyushu Institute of Technology, Kwansei Gakuin University, Tokyo City University, Kanazawa University, the University of Tokyo and other institutions has successfully completed the test operations conducted since the satellite was released into orbit. Having confirmed that the satellite meets its specified performance requirements, the team has begun routine operations for […] Until now, the alien white-hot worlds of exoplanets have been depicted as circular, but new research has revealed the true shape of their atmospheres to be a deformed sphere rather than a perfect circle. Go to Source A commercial lander that will be at the forefront of NASA’s efforts to establish a moon base, humanity’s first lunar outpost, has passed a series of critical tests at the agency’s Jet Propulsion Laboratory in Southern California. The tests simulated the extreme temperatures and vacuum of space, as well as the intense shaking and ear-splitting […] A Southwest Research Institute (SwRI)-led team has developed an improved model for predicting solar events that incorporates activity on the far side of the sun. The team studied near-simultaneous maps of the whole solar surface from 2010 to 2014, combining Earth observations with data from space-based assets showing the opposite side. The resulting framework constructs […] Turbulence is ubiquitous and occurs every day, such as when milk is stirred into coffee or in the stormy motions of the ocean and the atmosphere. Media in space and astrophysical systems can also develop turbulence, but the physics is different because the medium is in an ionized state (known as the plasma state) and […] Analyzing a sample of 300 of the best-characterized planetary systems among the more than 1,000 known in the Milky Way, an international research team led by the Italian National Institute for Astrophysics (INAF) has discovered that the multiplanet systems identified so far belong to two distinct “families.” Go to Source The James Webb Space Telescope (JWST) has detected a possible supernova in the early universe just days after the star exploded. Called AT 2026abck, the transient lies in a star-forming galaxy at a redshift of 5.017 and was found without the help of gravitational lensing. JWST observations suggest the event was caught only about four […] A new study led by researchers at the University of Oulu in Finland sheds light on a poorly understood part of space weather: where powerful waves form at the edge of Earth’s magnetic shield and where the solar wind can find a way through. Go to Source The speed of an asteroid’s spin can tell astronomers a surprising amount about what it is made of. However, existing approaches to measuring spin based on telescope observations can often produce misleading estimates. Go to Source NASA experiments focused on human and plant health and drug-resistant organisms will travel to the International Space Station aboard SpaceX’s 35th Commercial Resupply Services mission for the agency from Cape Canaveral Space Force Station in Florida, advancing research that benefits life on Earth and future exploration. Go to Source In the early moments of the big bang, two elements were forged: hydrogen and helium. Technically, the tiniest traces of light elements such as lithium were produced as well, but nothing of consequence. The early universe was about three parts hydrogen to one part helium. All the heavier elements, from the oxygen in your lungs […] NASA is taking an unusual approach to testing heat shields that can keep astronauts safe as they return from missions to the moon and Mars: taking out the trash. Go to Source |
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