Hacker News with Generative AI: Galaxies

James Webb Space Telescope reveals that most galaxies rotate clockwise (smithsonianmag.com)
NASA’s James Webb Space Telescope (JWST) launched into orbit around the sun in December 2021. Since then, it has been studying the history of our universe. Now, images of deep space from JWST’s Advanced Deep Extragalactic Survey (JADES) have revealed something puzzling: most galaxies rotate in the same direction.

Space Exploration, Astronomy, Galaxies

356 points by instagraham 6 days ago | 308 comments

Oxygen atoms discovered in most distant known galaxy (eso.org)
Two different teams of astronomers have detected oxygen in the most distant known galaxy, JADES-GS-z14-0.

Astronomy, Space, Galaxies, Oxygen

228 points by sohkamyung 17 days ago | 173 comments

NASA to launch space observatory that will map 450M galaxies (nbcnews.com)
A new NASA space observatory is scheduled to launch into orbit this week on a lofty mission to map more than 450 million galaxies.

Space Exploration, Astronomy, NASA, Galaxies, Observatories

270 points by gmays 29 days ago | 121 comments

New dwarf galaxy discovered in the halo of Andromeda galaxy (phys.org)
An international team of astronomers reports the discovery of a new dwarf galaxy, which they have named Pegasus VII.

Astronomy, Galaxies, Dwarf Galaxies

7 points by wglb 36 days ago | 1 comments

Euclid reveals an Einstein ring around a nearby galaxy (nasaspaceflight.com)
Using the European Space Agency’s Euclid space telescope, astronomers have accidentally found a complete Einstein ring around a nearby galaxy known as NGC 6505.

Astronomy, Space Telescopes, Galaxies, Einstein Ring

6 points by LorenDB 48 days ago | 0 comments

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 96 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 99 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 109 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 126 days ago | 26 comments

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

Astronomy, Galaxies, Science

90 points by jandrewrogers 217 days ago | 61 comments

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

Space, Galaxies, Astronomy, Collisions

9 points by raattgift 235 days ago | 0 comments

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

Space Exploration, Astronomy, Telescopes, Galaxies

148 points by ArnoVW 310 days ago | 55 comments

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