We present a multimethod investigation of four metal-poor G-type main-sequence stars to resolve their Galactic origins. By combining high-resolution spectroscopy from PolarBase, photometric/astrometric data from Gaia DR3, and spectral energy…
Category: 2. Space
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Tracing the Galactic Origins of Selected Four G-type Stars in the Solar Neighborhood
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Measuring Long Stellar Rotation Periods (>10 days) from TESS FFI Light Curves is Possible: An Investigation Using TESS and ZTF
The rotation period of a star is an important quantity that provides insight into its structure and state. For stars with surface features like starspots, their periods can be inferred from brightness variations as these features move across the…
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Stop Work Orders At NASA JPL
Keith’s note: In response to the skinny budget the Surface Biology and Geology development team at NASA JPL has been given a stop work order – all travel, subcontracts, and development is to cease. I am hearing also that Mars Odyssey and Juno…
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New Study Shows How Astrophysicists Can Use Black Holes as Particle Supercolliders
New research by physicists from the University of Oxford, Johns Hopkins University and the Institute of Astrophysics in Paris shows that collisions between particles free falling from infinity and a disk of material plunging off the retrograde…
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NASA Sets Coverage for Axiom Mission 4 Launch, Arrival at Station
NASA, Axiom Space, and SpaceX are targeting 8:22 a.m. EDT, Tuesday, June 10, for launch of the fourth private astronaut mission to the International Space Station, Axiom Mission 4.
The mission will lift off from Launch Complex 39A at NASA’s…
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Lockheed Martin launches ‘AI Fight Club’ to test algorithms for warfare
WASHINGTON — Lockheed Martin is launching a new initiative called “AI Fight Club,” a virtual battleground where companies can test their artificial intelligence algorithms for use in military applications.
The program, announced June…
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Small Star, Big Planet: TOI-6894b Defies Expectations
Science teaches us that stars are much larger than planets, but what about large planets that orbit small stars? This is what a recent study published in Nature Astronomy hopes to address as a team of…
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NASA, ISRO Research Aboard Fourth Private Astronaut Mission to Station
NASA and ISRO (Indian Space Research Organisation) are collaborating to launch scientific investigations aboard Axiom Mission 4, the fourth private astronaut mission to the International Space Station. These studies include examining muscle…
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Galaxy Clusters on Course to Crash Again, NASA’s Chandra Finds
New observations from NASA’s Chandra X-ray Observatory and other telescopes have captured a rare cosmic event: two galaxy clusters have collided and are now poised to head back for another swipe at each other.
Galaxy clusters are some of the…
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