{"ok":true,"trend":{"id":762584,"platform":"hn","region":"global","key":"sts-51-f abort-to-orbit (1985)","title":"STS-51-F Abort-to-Orbit (1985)","url":"https://en.wikipedia.org/wiki/STS-51-F","first_seen":"2026-10-02T18:05:39.768105Z","last_seen":"2026-10-03T05:34:23.372392Z","last_rank":8,"peak_rank":5,"last_volume":36,"peak_volume":36,"seen_count":33,"score":77.26,"category_hint":"energy","section":"science","category":"space","summary":"In July 1985, Space Shuttle Challenger lost one of its three main engines during ascent on mission STS-51-F, forcing the crew into the first and only abort-to-orbit in shuttle history. The spacecraft reached a lower-than-planned orbit and the mission continued, with Spacelab 2 experiments completed. The episode is being revisited, highlighting how the crew and flight controllers handled the in-flight emergency.","why":"The dramatic near-failure during ascent and its status as the shuttle program's only abort-to-orbit keep drawing interest among spaceflight enthusiasts.","tone":"neutral","entities":["NASA","Space Shuttle Challenger","STS-51-F"],"summarized_at":"2026-10-03T06:12:25.440203Z","meta":{"via":"scan","lang":"en","link":"https://en.wikipedia.org/wiki/STS-51-F","term":"solar","hn_id":"49935797","comments":11},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"STS-51-F: Remembering the 1985 Abort-to-Orbit Mission","section_name":"Science","category_name":"Space","timeline":[{"captured_at":"2026-10-02T18:05:39.768105Z","rank":30,"volume":4},{"captured_at":"2026-10-02T18:20:39.652235Z","rank":29,"volume":6},{"captured_at":"2026-10-02T18:30:12.362428Z","rank":12,"volume":7},{"captured_at":"2026-10-02T18:35:39.656479Z","rank":26,"volume":8},{"captured_at":"2026-10-02T18:50:39.793420Z","rank":22,"volume":9},{"captured_at":"2026-10-02T20:05:39.644443Z","rank":28,"volume":12},{"captured_at":"2026-10-02T20:20:39.741352Z","rank":26,"volume":15},{"captured_at":"2026-10-02T20:35:39.611896Z","rank":29,"volume":16},{"captured_at":"2026-10-02T20:50:39.664981Z","rank":29,"volume":16},{"captured_at":"2026-10-02T21:05:39.632780Z","rank":28,"volume":18},{"captured_at":"2026-10-02T21:14:26.420174Z","rank":5,"volume":20},{"captured_at":"2026-10-02T21:20:26.585046Z","rank":11,"volume":21},{"captured_at":"2026-10-02T21:20:39.767848Z","rank":28,"volume":20},{"captured_at":"2026-10-02T21:35:39.762233Z","rank":29,"volume":22},{"captured_at":"2026-10-02T21:50:39.659259Z","rank":28,"volume":24},{"captured_at":"2026-10-02T22:05:39.645764Z","rank":28,"volume":26},{"captured_at":"2026-10-02T22:20:39.686005Z","rank":27,"volume":26},{"captured_at":"2026-10-02T22:35:39.648334Z","rank":26,"volume":27},{"captured_at":"2026-10-02T22:36:26.601265Z","rank":5,"volume":27},{"captured_at":"2026-10-02T22:42:26.360163Z","rank":9,"volume":28},{"captured_at":"2026-10-02T22:50:39.672682Z","rank":28,"volume":28},{"captured_at":"2026-10-02T23:05:39.760702Z","rank":27,"volume":30},{"captured_at":"2026-10-02T23:20:39.643044Z","rank":27,"volume":31},{"captured_at":"2026-10-02T23:35:39.677579Z","rank":26,"volume":31},{"captured_at":"2026-10-02T23:50:40.494156Z","rank":27,"volume":32},{"captured_at":"2026-10-02T23:59:04.336019Z","rank":6,"volume":32},{"captured_at":"2026-10-03T00:05:05.224666Z","rank":9,"volume":32},{"captured_at":"2026-10-03T00:05:40.046464Z","rank":28,"volume":32},{"captured_at":"2026-10-03T01:21:44.952598Z","rank":6,"volume":33},{"captured_at":"2026-10-03T01:28:04.572857Z","rank":9,"volume":33},{"captured_at":"2026-10-03T02:44:04.789617Z","rank":6,"volume":35},{"captured_at":"2026-10-03T02:50:04.639551Z","rank":9,"volume":35},{"captured_at":"2026-10-03T04:06:23.774518Z","rank":6,"volume":35},{"captured_at":"2026-10-03T04:12:23.747538Z","rank":9,"volume":35},{"captured_at":"2026-10-03T05:28:23.952205Z","rank":6,"volume":36},{"captured_at":"2026-10-03T05:34:23.372392Z","rank":8,"volume":36}],"posts":[{"platform":"hn","url":"https://news.ycombinator.com/item?id=49935797","author":"schoen","title":"STS-51-F Abort-to-Orbit (1985)","snippet":null,"posted_at":"2026-10-02T16:56:47Z","likes":36}],"elsewhere":[],"window":"7d"}}