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danR

Joined: Feb 6, 2020

Last seen: Mar 10, 2025

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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...
  
  Mar 10, 2025
- 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...
  
  Feb 25, 2025
- 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...
  
  Feb 25, 2025
- 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...
  
  Feb 25, 2025
- 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...
  
  Feb 22, 2025
- danR reacted to George²'s post in the thread Boom Supersonic to break sound barrier during historic test flight today: Watch live with Like.
  
  Done, speed max go to mach 1.11.
  
  Jan 28, 2025
- 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...
  
  Jan 28, 2025
- 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.
  
  Jan 27, 2025
- 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...
  
  Jan 25, 2025
- danR replied to the thread NASA will announce update to Mars sample return plans on Jan. 7. Here's how to listen in.
  
  "NASA would likely not be able to return Perseverance's samples to Earth until 2040, a full 20 years after the rover first launched to...
  
  Jan 5, 2025
- danR replied to the thread Can NASA's troubled Mars Sample Return mission be saved?.
  
  2018, a Falcon Heavy yeeted an automobile+final-stage mass towards Mars' orbit. Since an unmanned Starship that does not need to...
  
  Jan 4, 2025
- danR replied to the thread Can NASA's troubled Mars Sample Return mission be saved?.
  
  Sounds like you do not disagree with a <2040 date, then, which satisfies the constraints indicated in the article. As for ~2029, SpaceX...
  
  Jan 4, 2025
- danR reacted to Nik0101's post in the thread Can NASA's troubled Mars Sample Return mission be saved? with Like.
  
  Ah, yes. And I'm sure he'll begin building his Mars base with AI powered, self-replicating, Go-Go dancing robots at the same time. The...
  
  Jan 4, 2025
- danR replied to the thread Can NASA's troubled Mars Sample Return mission be saved?.
  
  Not only can SpaceX do it for less, the whole project is being rendered moot by the company's own boots-on-the-ground timeline. They...
  
  Jan 3, 2025
- danR reacted to monkeyonmars's post in the thread Can NASA's troubled Mars Sample Return mission be saved? with Like.
  
  I think Musk can do it for less than $11 billion. Just got to get that fuel transfer working.
  
  Jan 3, 2025
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