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“#Microscopic deformation of a neutron star inferred from a distance of 4500 light-years” A microscopic deformation of the neutron star in the binary stellar system PSR J1023 0038 is inferred. Here, the spin-axis of the star is perpendicular to the plane of the figure. The extra height of the neutron star in one direction is…
“#Kepler’s supernova remnant: Debris from stellar explosion not slowed after 400 years” Credit: NASA/CXC/Univ of Texas at Arlington/M. Millard et al. Astronomers have used NASA’s Chandra X-ray Observatory to record material blasting away from the site of an exploded star at speeds faster than 20 million miles per hour. This is about 25,000 times faster…
“#Space telescope to study quasars and their host galaxies in three dimensions” Quasars–accreting supermassive black holes–are paradoxically some of the brightest objects in the universe. Astronomers widely consider the energy from quasars to be the main driver in limiting the growth of massive galaxies. Scientists plan to use Webb to study the impact of three…
“#Mystery gas discovered near center of Milky Way” The Atacama Pathfinder Experiment (APEX), on the 5000-meter altitude plateau of Chajnantor in the Chilean Andes. Credit: ESO/B. Tafreshi/TWAN (twanight.org) An international team of researchers have discovered a dense, cold gas that’s been shot out from the center of the Milky Way “like bullets”. Exactly how the…
“#New cataclysmic variable star discovered” A pseudo-color image of KSN:BS-C11a constructed from g, r, and i filter images obtained with DECam on the CTIO 4.0 m telescope. Credit: Ridden-Harper et al., 2020. Using NASA’s Kepler spacecraft, astronomers have detected a new bright transient event. After further analysis, the newly found transient source turned out to…
“#Exploding stars may have caused mass extinction on Earth, study shows” A team of researchers led by professor Brian Fields hypothesizes that a supernova about 65 light-years away may have contributed to the ozone depletion and subsequent mass extinction of the late Devonian Period, 359 million years ago. Pictured is a simulation of a nearby…
“#100 cool worlds found near the Sun” Artist’s impression of one of this study’s superlative discoveries, the oldest known wide-separation white dwarf plus cold brown dwarf pair. The small white orb represents the white dwarf (the remnant of a long-dead Sun-like star), while the brown/orange foreground object is the newly discovered brown dwarf companion. This…
“#The sun may have started its life with a binary companion” Artist’s conception of a potential solar companion, which theorists believe was developed in the Sun’s birth cluster and later lost. If proven, the solar companion theory would provide additional credence to theories that the Oort cloud formed as we see it today, and that…
“#Magnetized gas flows feed a young star cluster” Composite image of the Serpens South Cluster. Magnetic fields observed by SOFIA are shown as streamlines over an image from the Spitzer Space Telescope. SOFIA indicate that gravity can overcome some of the strong magnetic fields to deliver material needed for new stars. The magnetic fields have…
“#Indian astronomers investigate open cluster Czernik 3” Color-composite image obtained using the J (blue), H (green), and K (red) 2MASS images for an area of ∼ 10×10 arcmin2 around the Cz3 cluster. The yellow region encloses the present observations using TIRCAM2. The small and big green circles are the core and the cluster regions identified…