Hacker News with Generative AI: Galaxies

Astronomers discover an ultra-massive grand-design spiral galaxy (phys.org)
Using the James Webb Space Telescope (JWST), an international team of astronomers has detected a new grand-design spiral galaxy as part of the PANORAMIC survey.

Space, Astronomy, Galaxies, Telescopes

10 points by gmays 18 days ago | 0 comments

Seyfert Galaxies (seyfertgalaxies.com)
Almost all Seyfert galaxies are spiral galaxies and have been among the most intensively studied objects in astronomy, primarily because they are thought to be nearby, low-luminosity versions of the same phenomenon observed in quasars.

Astronomy, Galaxies, Quasars

59 points by kaycebasques 21 days ago | 5 comments

First Actively Forming Galaxy as Lightweight as Young Milky Way (nasa.gov)
For the first time, NASA’s James Webb Space Telescope has detected and “weighed” a galaxy that not only existed around 600 million years after the big bang, but is also similar to what our Milky Way galaxy’s mass might have been at the same stage of development.

Space, Astronomy, Galaxies, Milky Way

19 points by gmays 32 days ago | 0 comments

2M MPH galaxy smash-up seen in unprecedented detail (phys.org)
A massive collision of galaxies sparked by one traveling at a scarcely-believable 2 million mph (3.2 million km/h) has been seen in unprecedented detail by one of Earth's most powerful telescopes.

Space, Astronomy, Telescopes, Galaxies

69 points by wglb 48 days ago | 26 comments

Astronomers puzzled by little red galaxies that seem impossibly dense (newscientist.com)

Astronomy, Galaxies, Science

90 points by jandrewrogers 139 days ago | 61 comments

Milky Way may escape fated collision with Andromeda galaxy (science.org)

Space, Galaxies, Astronomy, Collisions

9 points by raattgift 157 days ago | 0 comments

James Webb Space Telescope Finds Most Distant Known Galaxy (nasa.gov)

Space Exploration, Astronomy, Telescopes, Galaxies

148 points by ArnoVW 233 days ago | 55 comments

A 1.3B-light-year-across ring of galaxies has confounded astronomers (cosmosmagazine.com)