Topic
galaxies
3 stories related to this topic, newest first.
10magazine.comscience1 day ago
Black hole measured at 50 million solar masses inside galaxy totaling at most 75 million solar masses, 700 million years after Big Bang
@NewScientist reported that astronomers used gravitational lensing to weigh both the galaxy Abell 2744-QSO1 and its central black hole, finding the black hole formed first.
news.google.comscience21 days ago
Astronomers Identify 20 Stars as Possible Remnants of Ancient Galaxy Merger
Researchers report finding 20 metal-poor stars in the Milky Way whose chemical makeup and orbits point to a single dwarf galaxy absorbed roughly 10 billion years ago. The study, published this month, used data from the European Space Agency's Gaia telescope.
New Scientistscience51 days ago
DESI Completes Five-Year Sky Survey Mapping Over 47 Million Galaxies and Quasars
The Dark Energy Spectroscopic Instrument has finished its main five-year survey, capturing data on more than 47 million galaxies and quasars. This enables the creation of the most detailed map of the universe to date. The data will aid in studying dark energy and galaxy distribut…