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geoengineering with sterling engines
insert_name replied to farmerben's topic in Science & Spaceflight
He said he wanted to heat the atmosphere and use that to cool the ground, going off the spacecraft analogy, this would be like putting the radiator inside of the spacecraft. -
geoengineering with sterling engines
insert_name replied to farmerben's topic in Science & Spaceflight
This is thermodynamically equivalent to running a freezer with the door open, due to the second law of thermodynamics it will just generate more heat than doing nothing would -
Flying A Turbofan For Various Worlds...
insert_name replied to Spacescifi's topic in Science & Spaceflight
Maybe on a gas giant or other H2 atmosphere you could bring along oxidizer and source your fuel from the atmosphere, like the inverse of what is done on earth -
JAXA (& other Japanese) Launch and Discussion Thread
insert_name replied to tater's topic in Science & Spaceflight
SLIM woke up again https://phys.org/news/2024-03-japan-moon-probe-survives-lunar.html | Https canonical: https://phys.org/news/2024-03-japan-moon-probe-survives-lunar.html -
There's this which claims to be a fusion augmented electric plasma thruster https://interestingengineering.com/space/nuclear-fusion-powered-electric-propulsion-drive
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JAXA (& other Japanese) Launch and Discussion Thread
insert_name replied to tater's topic in Science & Spaceflight
Here's a link, they got a signal but since it's lunar noon it's too hot to consistently operate so they told it to wait until it cools down https://www.iflscience.com/its-alive-japans-moon-lander-has-survived-its-first-lunar-night-73121 -
sounds like they got a return signal, maybe it isnt as bad as it looked
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Sounds like they dont know where or if it landed, doesnt sound good
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JAXA (& other Japanese) Launch and Discussion Thread
insert_name replied to tater's topic in Science & Spaceflight
ITS ALIVE -
JAXA (& other Japanese) Launch and Discussion Thread
insert_name replied to tater's topic in Science & Spaceflight
The telemetry from the stream made it seem like all the thrusters were in a ring on the bottom facing down so it would be hard to tip it with those
