Science & Environment
Black holes may grow quietly alongside galaxies even without violent mergers
Source: Phys.org - latest science and technology news stories · Published
Astronomers analyzed 2,435 galaxies hosting actively feeding black holes using data from the Dark Energy Spectroscopic Instrument (DESI). Among them, they identified 546 "bulgeless" galaxies—systems with little or no central stellar bulge. Their paper, published in Monthly Notice
Astronomers analyzed 2,435 galaxies hosting actively feeding black holes using data from the Dark Energy Spectroscopic Instrument (DESI). Among them, they identified 546 "bulgeless" galaxies—systems with little or no central stellar bulge. Their paper, published in Monthly Notices of the Royal Astronomical Society, suggests that galaxies without a central bulge grow black holes just as effectively as galaxies that have one—a surprising sign that black holes don't need galaxy mergers to grow normally.
Related stories
Black hole jets may decide the fate of entire galaxies
Powerful jets from supermassive black holes can disturb star-forming gas far beyond a galaxy’s visible edge, leaving a glowing trail hundreds of thousands of light-years long. By keeping this gas hot and preventing it from falling inward, the jets may help determine whether a gal
All Top News -- ScienceDaily ·
How stars shine: Infrared observations expose gaps in models of how stars distribute their light
Astronomers using Georgia State University's Center for High Angular Resolution Astronomy (CHARA) Array have found that nearby stars darken toward their edges more strongly at near-infrared wavelengths than predicted by several widely used models of stellar atmospheres, providing
Phys.org - latest science and technology news stories ·
A record-breaking X-ray flash may reveal the birth of a magnetar
Astronomers have found strong evidence that some mysterious, minutes-long X-ray flashes are produced when two neutron stars collide and create a magnetar. One record-setting event glowed in X-rays for nearly 10 minutes, potentially opening a new way to find these extreme cosmic m
All Top News -- ScienceDaily ·
Black metal mourns pioneering Venom frontman
Newcastle rock giants Venom describe Conrad Cronos Lant as "fearless and unmistakable".
feeds.bbci.co.uk ·
‘An amazing ride’: SpaceX flight led by first Black female commander sets US speed record
Four astronauts pulled up at International Space Station after eight-hour express flight led by Jessica Watkins Four astronauts pulled up at the International Space Station (ISS) on Thursday after launching on an eight-hour express that set a US speed record, and that created fur
Business | The Guardian ·