6+ hour, 42+ min ago  (438+ words) Direct detection of four new white dwarfs within 20 parsecs of Earth image: An artist impression of a red dwarf with a white dwarf binary companion peeking out from behind. The diameters of the two stars are shown to scale. Credit:…...

17+ hour, 40+ min ago  (156+ words) Figure. Composite image from the Galactic Center. Green and yellow: 8 µm and 24 µm emission observed with Spitzer (Churchwell et al. 2009; Carey et al. 2009). Red: 20 cm emission imaged with MeerKAT (Heywood et al. 2019, 2022) and the Green Bank Telescope (GBT; Law et…...

10+ mon, 3+ week ago  (482+ words) Three publications by members of the UA-led OSIRIS-REx sample analysis team reveal the asteroid's composition and history in unprecedented detail image: Jessica Barnes examines a vial containing sample particles at the Kuiper-Arizona Laboratory for Astromaterials Analysis, located at the University…...

4+ day, 2+ hour ago  (229+ words) Researchers observe the velocity difference between two molecules in a prestellar core, elucidating the process of early star formation Fukuoka, Japan—Stars like our Sun are formed from the collapse of stellar objects called prestellar cores, cold and dense concentrations…...

4+ day, 15+ hour ago  (168+ words) — First detection of hot cores in a supernova remnant — image: Artist’s impression of a hot core—a warm cocoon of molecular gas surrounding a newborn star—discovered in a supernova remnant. Blue represents high-energy regions produced by the supernova explosion,…...

4+ day, 19+ hour ago  (385+ words) New radio observations reveal hidden structures around the Orion Nebula image: Fig. 1: Radio emission from neutral hydrogen atoms in the direction of the Orion Nebula, the most nearby regions of high-mass star formation. view more Credit: Juan D. Soler, University of…...

4+ day, 21+ hour ago  (138+ words) In the relation between black hole mass and stellar velocity dispersion, MRG-M0138 appears similar to nearby galaxies. However, when compared with bulge mass, its black hole appears unusually overmassive, about 12 times more massive than expected from the local black hole-bulge…...

5+ day, 2+ hour ago  (351+ words) Results cast doubt on a seemingly reliable tool for inferring the origins of gas planets This artist’s impression shows how the planet inside the disc of Beta Pictoris may look. However, at a range of about 10 au (astronomical unit = the…...

5+ day, 11+ hour ago  (325+ words) video: Simulation demonstrating the ability of image stacking to bring faint signals up above the noise floor view more Credit: Dr Ben Cooke / University of Warwick Geosynchronous orbit is a special position roughly 36,000km above the Earth’s equator that allows an…...

5+ day, 11+ hour ago  (319+ words) New models connect the concentration of molten mineral droplets in meteorites to the chaotic final stages of planet production A new Southwest Research Institute-led study proposes a solution to a long-standing puzzle in planetary science — what caused the concentration, assembly…...