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How do supermassive black holes get super massive?

By combining forefront X-ray observations with state-of-the-art supercomputer simulations of the buildup of galaxies over cosmic history, researchers have provided the best modeling to date of the growth of the supermassive black holes found in the centers of galaxies. ....

Groningen , Netherlands , Monona , Wisconsin , United-states , Qingling , Jilin , China , Germany , Guang-yang , Henan , Michigan

How Do Supermassive Black Holes Get Super Massive?

By combining forefront X-ray observations with state-of-the-art supercomputer simulations of the buildup of galaxies over cosmic history, researchers ....

United-states , Netherlands , China , Guang-yang , Henan , Groningen , Qingling , Jilin , Michigan , Monona , Wisconsin , Germany

Combined X-ray surveys and supercomputer simulations track 12 billion years of cosmic black-hole growth

By combining forefront X-ray observations with state-of-the-art supercomputer simulations of the buildup of galaxies over cosmic history, researchers have provided the best modeling to date of the growth of the supermassive black holes found in the centers of galaxies. Using this hybrid approach, a research team led by Penn State astronomers has derived a complete picture of black-hole growth over 12 billion years, from the universe s infancy at around 1.8 billion years old to now at 13.8 billion years old. ....

Monona , Wisconsin , United-states , Qingling , Jilin , China , Guang-yang , Henan , Germany , Netherlands , Groningen , Michigan

Planet-forming disks around very low-mass stars are different

Using the James Webb Space Telescope, a team of astronomers studied the properties of a planet-forming disk around a young and very low-mass star. The results reveal the richest hydrocarbon composition seen to date in a protoplanetary disk, including the first extrasolar detection of ethane and a relatively low abundance of oxygen-bearing species. By including previous similar detections, this finding confirms a trend of disks around very low-mass stars to be chemically distinct from those around more massive stars like the Sun, influencing the atmospheres of planets forming there. ....

Netherlands , Ireland , United-kingdom , Sweden , Spain , Germany , Denmark , Heidelberg , Baden-wüberg , Switzerland , Belgium , Palaiseau

Billions Of 'Orphan Stars' Found By Unique New Spacecraft

Euclid satellite discovers 1,500 billion "orphan stars" outside galaxies in the Perseus cluster, suggesting recent galactic mergers. ....

Germany , Munich , Bayern , Matthias-kluge , European-space-agency-euclid , Max-planck-institute-for-extraterrestrial-physics , European-space-agency , Early-release-observations , Spacex-falcon , Max-planck-institute , Extraterrestrial-physics , Hubble-space-telescope