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danR replied to the thread Rocket Lab unveils plan to land Neutron rockets at sea, 1st launch in 2025.Gee, so many of Peter's innovations look so familiar... -
danR replied to the thread What makes Mars the 'Red' Planet? Scientists have some new ideas.Can any of the current probes on Mars be configured to do a ferrihydrite test? "Mars Curiosity Astrobiology Rover ChemCam Instrument Has...
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danR replied to the thread What makes Mars the 'Red' Planet? Scientists have some new ideas.What I have to question is that after all the Martian landers and rovers, none of them did any simple, almost trivial, tests for the...
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danR replied to the thread SpaceX wraps up investigation of Starship Flight 7 explosion (video).Curious how much of this is informed guesswork given the loss of telemetry, and that both methane and lox leaked simultaneously from...
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danR replied to the thread Einstein wins again! Quarks obey relativity laws, Large Hadron Collider finds.The decay emits the electron, not the quark. Conservation laws require the mass/energy, charge, and whatnot be preserved in Nature's...
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danR reacted to George²'s post in the thread Boom Supersonic to break sound barrier during historic test flight today: Watch live with
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Done, speed max go to mach 1.11. -
danR replied to the thread Boom Supersonic to break sound barrier during historic test flight today: Watch live.Watching live. Currently big fat watermark in the middle, no ambient on-ground audio (only comms chatter), dumb background musak. Some...
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danR replied to the thread What are boson stars — and what do they have to do with dark matter?.If they have no mass, they have no momentum.
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danR replied to the thread Electric spacecraft propulsion may soon take a leap, thanks to new supercomputer." The plume of ions jetting out from the spacecraft therefore acts to provide thrust." Not quite. Once they are expelled, as with a...
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Scientists confused by missing coastal features on Titan, Saturn's largest moon- Started by Admin
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