Unclear Engineer's latest activity
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UUnclear Engineer replied to the thread Climate scientists are hosting a 100-hour YouTube livestream in response to Trump's research funding cuts.Ken, I think you are somewhat misunderstanding the political dynamics of "the climate debate". I don't think that protection of...
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UUnclear Engineer replied to the thread Cosmic miracle!' James Webb Space Telescope discovers the earliest galaxy ever seen.It seems odd to me that we would theorize that huge gas clouds could condense into huge Pop III stars and explode in vast numbers...
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UUnclear Engineer reacted to rod's post in the thread Cosmic miracle!' James Webb Space Telescope discovers the earliest galaxy ever seen with
Like.
Space.com reported, “This previous record galaxy has a redshift of z =14.32, while MoM z14 has a redshift of z = 14.44.” My note, 3D... -
UUnclear Engineer replied to the thread Trump to withdraw Jared Isaacman's nomination as NASA chief.Sorry to read this. I think that Isaacman is the best we could hope for from the current administration. He has the credentials to do...
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UUnclear Engineer replied to the thread SpaceX launches Starship Flight 9 to space in historic reuse of giant megarocket (video).The leak problems are in the second stage, which has 6 engines. That is only one more than the Saturn 5 1st stage that you keep citing...
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UUnclear Engineer replied to the thread SpaceX launches Starship Flight 9 to space in historic reuse of giant megarocket (video).I don't understand how the previous post said "propane" when I intended and think I did write "methane". Anyway, the statements in my...
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UUnclear Engineer replied to the thread SpaceX launches Starship Flight 9 to space in historic reuse of giant megarocket (video).First, liquid propane methane is much easier to deal with than liquid hydrogen. It isn't much harder to deal with then liquid oxygen...
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UUnclear Engineer replied to the thread Noctilucent cloud season 2025 is upon us! Here's how to spot elusive 'night-shining' clouds.The article talks about particulates in the upper atmosphere, about 50 miles up, and mentions the sources as "Some of these dust...
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UUnclear Engineer replied to the thread SpaceX launches Starship Flight 9 to space in historic reuse of giant megarocket (video).Well, they did manage to get to upper stage engine shutoff without a leak causing an explosion. But, while coasting in space, the upper...
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UUnclear Engineer replied to the thread China signs deal with Russia to build a power plant on the moon — potentially leaving the US in the dust.Fort St. Vrain still uses steam turbines. But, there is no water in the reactor. The helium is heated in the reactor and then passes...
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UUnclear Engineer replied to the thread China signs deal with Russia to build a power plant on the moon — potentially leaving the US in the dust.Classical Motion, you r experience with Naval propulsion reactors is not very relevant to stationary electrical power production...
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UUnclear Engineer replied to the thread China signs deal with Russia to build a power plant on the moon — potentially leaving the US in the dust.I am not sure what you mean by a "smudge pot". If you mean some sort of radioisotope "battery", then you are talking about sending up...
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UUnclear Engineer replied to the thread China signs deal with Russia to build a power plant on the moon — potentially leaving the US in the dust.The reactor(s?) under discussion in this thread are not intended to be working in orbit - they are intended to be used on the Moon for...
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UUnclear Engineer replied to the thread China signs deal with Russia to build a power plant on the moon — potentially leaving the US in the dust.First, you need to address how much radioactivity and then how much area it is spread over before you can determine how much of a hazard...
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UUnclear Engineer replied to the thread NASA must 'consider alternatives' to put Artemis astronauts on the moon, experts tell US Congress.SLS, the "Space Launch System" is not a "lunar landing system", unfortunately. So, without the success of the other launch systems...
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