{"ok":true,"trend":{"id":987100,"platform":"mastodon","region":"global","key":"hubble image of arp 321, also known as hickson 40. this group of galaxies include three spiral galaxies, an elliptical g","title":"Hubble image of Arp 321, also known as Hickson 40. This group of galaxies include three spiral galaxies, an elliptical g","url":"https://mastodon.social/@ArpBot/117382650348407621","first_seen":"2026-10-04T13:01:16.435008Z","last_seen":"2026-10-04T15:45:43.656947Z","last_rank":5,"peak_rank":2,"last_volume":4,"peak_volume":4,"seen_count":3,"score":0.54703125,"category_hint":"space","section":"science","category":"space","summary":"The Hubble Space Telescope has released a new image of Arp 321, also known as Hickson 40, a compact group of five galaxies: three spirals, an elliptical galaxy and a lenticular, lens-shaped one. The group is so tightly packed that all five galaxies could fit within a region of space less than twice the diameter of the Milky Way. Astronomy enthusiasts are sharing the image and marvelling at the unusually close gathering.","why":"A striking new Hubble image of a rare, extremely compact galaxy group is being shared among space enthusiasts.","tone":"positive","entities":["Hubble Space Telescope","Arp 321","Hickson 40","Milky Way"],"summarized_at":"2026-10-04T13:01:54.862528Z","meta":{"tag":"space","via":"scan","kind":"status","lang":"en","instance":"mastodon.social","tag_uses":208},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"Hubble captures compact galaxy group Hickson 40","section_name":"Science","category_name":"Space","timeline":[{"captured_at":"2026-10-04T13:01:16.435008Z","rank":2,"volume":3},{"captured_at":"2026-10-04T14:23:00.281156Z","rank":3,"volume":4},{"captured_at":"2026-10-04T15:45:43.656947Z","rank":5,"volume":4}],"posts":[{"platform":"mastodon","url":"https://mastodon.social/@ArpBot/117382650348407621","author":"ArpBot","title":null,"snippet":"Hubble image of Arp 321, also known as Hickson 40. This group of galaxies include three spiral galaxies, an elliptical galaxy, and a lenticular (lens-like) galaxy. The group is so compact it could fit within a region of space that is less than twice the diameter of our Milky…","posted_at":"2026-10-04T12:31:41.267000Z","likes":4}],"elsewhere":[],"window":"7d"}}