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A NASA-led team hopes to take a shortcut to direct imaging of extrasolar Earth-like planets. The idea is to use what they call a hybrid telescope composed of an orbital starshade coupled with the next-generation extremely large ground-based optical telescopes. Go to Source At the center of our solar system, the sun influences every planet that orbits it. In two recent studies, scientists uncovered how ancient events in the sun’s history may have helped create Earth’s unique climate and driven previously unexplained climatic shifts. Go to Source Washington State University researchers used artificial intelligence to find a more efficient, less expensive way to 3D-print a high-performance metal alloy, saving researchers from needing to painstakingly test more than 100 million options. Go to Source What happens to a space rock as it falls through Earth’s atmosphere and becomes a meteorite? By studying 75 meteorite falls captured on video and in photographs, researchers identified seven distinct phases in the journey from space rock to meteorite. Their findings show that melting and fragmentation, rather than simply evaporation and “burning up,” control […] On Aug. 15, the CTAO LST Collaboration and the MAGIC Collaboration released findings from observations of OP 313, the most distant very-high-energy blazar ever recorded. The paper, published in Astronomy & Astrophysics, presents in-depth observations conducted with the prototype Large-Sized Telescope (LST-1) and the MAGIC telescopes at the Roque de los Muchachos Observatory in La […] Astronomers have found a four-star system doing something that has never been confirmed before. The system, TIC 433545934, has two close pairs of stars orbiting each other. While each pair eclipses its own two stars, as usual, only one pair eclipses the other. A paper outlining the properties of this unique system was submitted to […] China’s manned space agency said Sunday it is delaying a research moon mission that is part of Beijing’s efforts to land a crew there by 2030, less than two weeks after a rare launch failure. Go to Source China said on Sunday it was postponing its planned ambitious Chang’e-7 lunar mission, which was set to carry out explorations including searching for water ice on the moon. Go to Source Of Jupiter’s four Galilean moons, Callisto is the one that gets the least attention. Io is constantly being resurfaced by volcanoes. Europa has a giant liquid water ocean. And Ganymede has its own magnetic field that interacts with its parent planet in weird ways. Callisto, by comparison, seems sedate, with its ancient, crater-saturated surface seemingly […] The surface of Mars is home to some of the most breathtaking and awe-inspiring landscapes in the solar system. This is primarily because the Red Planet lacks several resurfacing processes that Earth possesses, including plate tectonics, volcanism and flowing water. Go to Source Now it’s the moon’s turn to pull a disappearing act. After being shut out of this month’s total solar eclipse, the Americas will have the best seats in the celestial house when Earth’s shadow briefly envelops the moon. Almost the entire lunar surface will be masked Thursday night into Friday—a whopping 96%—making this an especially […] Science seems like a straightforward endeavor. You come up with a hypothesis, collect data to prove or disprove it, and analyze that data to see whether the hypothesis is right. But anyone who actually does science will tell you that it is often not that straightforward. One of the most common complexities is data analysis. […] An international team of astrophysicists and plasma physicists has provided the first experimental evidence that strong magnetic fields surrounding active stars can completely suppress coronal mass ejections. This offers clues to why massive stellar eruptions are rarely observed on stars other than the sun. Go to Source At the center of most galaxies lies a supermassive black hole, with a mass millions to billions of times that of our sun and some of the most extreme gravity in the universe. Go to Source Over the past three decades, computer models of planetary system formation have gone from fairly crude representations to sophisticated simulations using thousands of different starting points. Go to Source |
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