Phys.org24d
Outbursts from black holes help them sustain themselves, Chandra study shows
Get Instant Summarized Text (Gist) Observations from NASA's Chandra X-ray Observatory and the Very Large Telescope reveal that massive black holes can sustain themselves by cooling surrounding gas ...
Space.com25d
Supermassive black holes in 'little red dot' galaxies are 1,000 times larger than they should be, and astronomers don't know why
"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied." Using the James Webb Space Telescope (JWST), astronomers have discovered ...
Phys.org29d
The last time it was legal, exports of sea sand destroyed dozens of Indonesian islands—now, the ban is being lifted
Over 20 years ago, then Indonesian president Megawati Soekarnoputri banned the export of sea sand from her archipelago nation. The ban was in response to the widespread environmental and economic ...