{"ok":true,"trend":{"id":492892,"platform":"mastodon","region":"global","key":"alma and hubble image of arp 220, also known as ic 4553. a merger of two spiral galaxies set of a burst of star formatio","title":"ALMA and Hubble image of Arp 220, also known as IC 4553. A merger of two spiral galaxies set of a burst of star formatio","url":"https://mastodon.social/@ArpBot/117360001409331700","first_seen":"2026-09-30T14:23:47.854957Z","last_seen":"2026-09-30T14:23:47.854957Z","last_rank":6,"peak_rank":6,"last_volume":3,"peak_volume":3,"seen_count":1,"score":0.98859375,"category_hint":"space","section":"science","category":"space","summary":"Astronomers have released a combined ALMA and Hubble image of Arp 220, also known as IC 4553, a pair of colliding spiral galaxies roughly 250 million light-years away. The merger triggered a powerful burst of star formation that backlights the dust lanes in the Hubble visible-light view, while ALMA's millimetre-wavelength data marks dense molecular gas where new stars are forming.","why":"Space enthusiasts are sharing the striking new composite image of a dramatic galaxy merger.","tone":"positive","entities":["Arp 220","IC 4553","ALMA","Hubble Space Telescope"],"summarized_at":"2026-09-30T14:25:10.695785Z","meta":{"tag":"space","via":"scan","kind":"status","lang":"en","instance":"mastodon.social","tag_uses":205},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"ALMA and Hubble reveal galaxy merger Arp 220","section_name":"Science","category_name":"Space","timeline":[{"captured_at":"2026-09-30T14:23:47.854957Z","rank":6,"volume":3}],"posts":[{"platform":"mastodon","url":"https://mastodon.social/@ArpBot/117360001409331700","author":"ArpBot","title":null,"snippet":"ALMA and Hubble image of Arp 220, also known as IC 4553. A merger of two spiral galaxies set of a burst of star formation, backlighting the dust lanes in the Hubble visible light view. The red dots are millimeter wavelength light from ALMA, showing emission from molecules like…","posted_at":"2026-09-30T12:31:45.885000Z","likes":3}],"elsewhere":[],"window":"7d"}}