Unclear Engineer's latest activity
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UUnclear Engineer replied to the thread Could we turn the sun into a gigantic telescope?.I'm still stuck on the one-pixel-per-satellite comment. I don't see that as correct, but am not familiar with interferometry...
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UUnclear Engineer reacted to SpaceCaseAli's post in the thread Could we turn the sun into a gigantic telescope? with
Like.
I firmly agree but maybe for different reasons... I think getting there would not be the problem. We have newer technology and better... -
UUnclear Engineer replied to the thread Could we turn the sun into a gigantic telescope?.Wouldn't the effective focal length of the Earth be longer, not shorter, than the effective focal length of the Sun? Less mass would...
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UUnclear Engineer reacted to George²'s post in the thread Could we turn the sun into a gigantic telescope? with Like.
Yes, we can theoretically use the Sun as a giant telescope. Does it make sense? Firmly no. It would be cheaper, faster, and more...
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UUnclear Engineer replied to the thread SpaceX will start launching Starships to Mars in 2026, Elon Musk says.I sort of agree that using scarce water on the Moon to make rocket propellant seems like a poor choice, if it threatens the ability to...
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UUnclear Engineer replied to the thread SpaceX's Starship won't be licensed to fly again until late November, FAA says.All of that is not new information. SpaceX launch system development plans have been known for a long time. And the actual safety...
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UUnclear Engineer replied to the thread SpaceX will start launching Starships to Mars in 2026, Elon Musk says.I think ChrisA is painting a rather bleak picture, based on current thinking. But, there is the probability of some innovations that...
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UUnclear Engineer replied to the thread SpaceX will start launching Starships to Mars in 2026, Elon Musk says.Adding a little more info relevant to StarShip landings on Mars, see https://marsed.asu.edu/mep/atmosphere#:~:text=On Mars the surface...
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UUnclear Engineer replied to the thread SpaceX will start launching Starships to Mars in 2026, Elon Musk says.That is misleading. First, StarShip is not a capsule like the Apollo capsule - it is a full rockets ship that does a "belly flop"...
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UUnclear Engineer replied to the thread ESA's JUICE spacecraft confirmed Earth is habitable. Here's why.Yes, see https://www.space.com/juice-jupiter-probe-earth-flyby-complete , which says "JUICE reached our moon for its lunar flyby at...
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UUnclear Engineer replied to the thread SpaceX will start launching Starships to Mars in 2026, Elon Musk says.ChrisA, You seem to not understand several things about development. As you said, current Starships are just shells. No sense testing...
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UUnclear Engineer replied to the thread How can we protect humans on Mars from radiation from solar storms?.FWIW, we are talking about radiation from particles that have mass, such as electrons ("beta rays"), protons, helium nuclei ("alpha...
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UUnclear Engineer replied to the thread ESA's JUICE spacecraft confirmed Earth is habitable. Here's why.I hope they also ran those tests on our Moon and found that it is not habitable. Checking for false positive is as important as...
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UUnclear Engineer replied to the thread SpaceX will start launching Starships to Mars in 2026, Elon Musk says.If nothing else, StarShip can at least replace Artemis, and at this point seems likely to do so. So, SPChubba's post seems like just...
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UUnclear Engineer replied to the thread SpaceX's Starship won't be licensed to fly again until late November, FAA says.That is not correct. The FAA has known about SpaceX plans for years and should have some strategy already in-mind for addressing the...
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