160 points by rossdavidh 34 days ago | 38 comments
Willy Ley was a prophet of space travel(nytimes.com) During his life, Willy Ley predicted the dawn of the Space Age with remarkable accuracy. How did his remains end up forgotten in a co-op on the Upper West Side?
SpaceX Starship Lost(smh.com.au) Elon Musk’s SpaceX lost contact with its Starship rocket in space on Friday (AEDT), dooming a satellite deployment demonstration in the company’s second consecutive Starship failure this year.
The Expanse's Epstein Drive (2019)(blogspot.com) The Epstein drive technology allows for >250 ton spacecraft to accelerate for several hours at 5g with bursts of up to 12g, achieving a deltaV of 4000km/s, while not having any radiators and a tiny propellant fraction.
Starship Flight 7(spacex.com) On its flight to the International Space Station, Dragon executes a series of burns that position the vehicle progressively closer to the station before it performs final docking maneuvers, followed by pressurization of the vestibule, hatch opening, and crew ingress.
678 points by chinathrow 162 days ago | 723 comments
Predictions Scorecard, 2025 January 01(rodneybrooks.com) This is my seventh annual update on how my dated predictions from January 1st, 2018 concerning (1) self driving cars, (2) robotics, AI , and machine learning, and (3) human space travel, have held up. I promised then to review them at the start of the year every year until 2050 (right after my 95th birthday), thirty two years in total. The idea is to hold myself accountable for those predictions. How right or wrong was I?
Starship's Seventh Flight Test(spacex.com) On its flight to the International Space Station, Dragon executes a series of burns that position the vehicle progressively closer to the station before it performs final docking maneuvers, followed by pressurization of the vestibule, hatch opening, and crew ingress.
Bi-elliptic transfer orbit maneuver(johndcook.com) The most efficient maneuver for transferring from one circular orbit to another circular orbit of roughly the same size is the Hohmann transfer orbit.
Astronauts tight-lipped about reason for hospital visit after 235 days in space(theguardian.com) Three Nasa astronauts who were taken to a Florida hospital after returning to Earth from the International Space Station two weeks ago told reporters on Friday that they were all in good health following the medical ordeal – and that the agency was “still piecing things together” about what happened.