Unclear Engineer's latest activity
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UUnclear Engineer reacted to billslugg's post in the thread Will the International Space Station's 2031 death dive cause pollution problems? with
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It took 9656 m/s delta V to get the 400 tons of ISS where it is. It would take 20 m/s slowing down to re-enter Earth's atmosphere. It... -
UUnclear Engineer replied to the thread Springtime on Mars brings frost avalanches, gas geysers and explosions (photos).So how is the beginning of a "new year" actually defined for Mars (or any other planet that is not Earth with an artificial calendar)?
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UUnclear Engineer replied to the thread Astronomers have pinpointed the origin of mysterious repeating radio bursts from space.From https://en.wikipedia.org/wiki/White_dwarf : "Because the material in a white dwarf no longer undergoes fusion reactions, it lacks...
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UUnclear Engineer replied to the thread Are we alone? Intelligent aliens may be rare, new study suggests.Regarding the "newness" of Earth compared to the galaxy: What the conditions have been in our galaxy since it was formed is not yet...
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UUnclear Engineer replied to the thread Small satellite constellation could reveal black holes like never before.A few thoughts: 1. The increase in base line from putting the antennas on satellites orbiting only a few hundred miles above Earth's...
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UUnclear Engineer replied to the thread Ambitious climate action is more urgent than ever:' 3 Climate records broken in 2024.Ken, First of all, I think we agree that it is not wise to think that "everything will be OK". My main point is that we are not...
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UUnclear Engineer replied to the thread Blue Origin is expected to launch its 1st New Glenn rocket next week, but when?.The article says that the mission will last about 6 hours. That sounds like the test payload is intended to make about 4 orbits. So...
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UUnclear Engineer replied to the thread Blue Origin is expected to launch its 1st New Glenn rocket next week, but when?.🤞 Will we get a chance to watch it live on Space.com?
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UUnclear Engineer replied to the thread NASA's Orion crew capsule had heat shield issues during Artemis 1 − an aerospace expert weighs in (op-ed).I learned a new word today: intumescent. https://en.wikipedia.org/wiki/Intumescent has a decent explanation, but that picture of a...
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UUnclear Engineer replied to the thread Space debris crashes into Kenyan village, believed to be leftover rocket hardware.https://www.msn.com/en-us/news/world/massive-mysterious-metal-ring-crashes-into-kenyan-village/vi-AA1wQVJl This video shows a lot more...
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UUnclear Engineer replied to the thread NASA's Orion crew capsule had heat shield issues during Artemis 1 − an aerospace expert weighs in (op-ed).I am not surprised that NASA and its contractors went with what they considered "tried and proven" technologies for the Artemis Program...
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UUnclear Engineer replied to the thread Was 2024 the year we finally started to understand dark energy?."Changing dark energy" is just one more leap down the rabbit hole of adding unexplained forces and materials to make the theory...
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UUnclear Engineer replied to the thread Space debris crashes into Kenyan village, believed to be leftover rocket hardware.Looks like it might be a staging joint. If it is a rocket component, I would expect somebody to recognize it as their own pretty soon...
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UUnclear Engineer replied to the thread Ambitious climate action is more urgent than ever:' 3 Climate records broken in 2024.Ken, I think you have the big picture roughly correct. But, most of the rates for CO2 ins and outs are estimates based on some...
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UUnclear Engineer replied to the thread Ambitious climate action is more urgent than ever:' 3 Climate records broken in 2024.But HobartStinsonian's post was about accounting for CO2 changing the climate with greenhouse effects, and he merely mentioned that the...
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