Unclear Engineer's latest activity
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UUnclear Engineer replied to the thread Marsquakes' may solve 50-year-old mystery about the Red Planet.The subheading on the main page is different from the subheading on the article page, and not even on the same subject. The main page...
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UUnclear Engineer replied to the thread Vast Space now aims for 2026 launch of Haven-1 space station after key milestone (photos).I think the demise of VAST is being greatly overstated by the previous posters. Considering that nobody is currently planning any...
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UUnclear Engineer replied to the thread Vast Space now aims for 2026 launch of Haven-1 space station after key milestone (photos).https://www.vastspace.com/haven-1 Haven 1 is 4.4 m in diameter, compared to the ISS modules 5.7 m in diameter. Haven 2 is the same...
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UUnclear Engineer replied to the thread Perseverance Mars rover finds 'one-of-a-kind treasure' on Red Planet's Silver Mountain.I think NASA was getting out to 2040 for the return mission, without any StarShip involvement, anyway. We have been terrible at...
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UUnclear Engineer replied to the thread Perseverance Mars rover finds 'one-of-a-kind treasure' on Red Planet's Silver Mountain.My understanding of the problem is that it would take something like the mass of a StarShip payload landing on the Mars surface to...
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UUnclear Engineer replied to the thread Giant planet or 'failed star?' Newfound mystery world blurs the lines.If there is a brown dwarf - brown dwarf binary system, it stands to reason that there could be brown dwarf - super Jupiter systems...
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UUnclear Engineer replied to the thread Blue Origin mimics moon gravity on 1st-of-its-kind New Shepard suborbital research flight (video).I don't think Blue Origin's New Shepard vehicle is going to give you the info you asked for. It was uncrewed, so nobody to jump. More...
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UUnclear Engineer replied to the thread Giant planet or 'failed star?' Newfound mystery world blurs the lines.Being a little picky, here, but would a "brown dwarf" have "moons" or "planets" if it is orbited by something smaller than itself? And...
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UUnclear Engineer replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.I have looked through the paper that is the link for reference 44 of the paper that is the subject of the article, and do not see...
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UUnclear Engineer replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.m4n8tpr8b, I am aware of much that you have posted, including the iridium layer attributed to the Chixculub impact, the intense...
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UUnclear Engineer replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.Still, in the end, the results visible on the Moon and in the simulations that try to mimic it are not uniformly distributed. There are...
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UUnclear Engineer reacted to m4n8tpr8b's post in the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon with
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On Mercury, the Caloris Basin has an antipodal chaos region. Given that the Moon is smaller while the South Pole-Aitken basin is larger... -
UUnclear Engineer replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.I have not read deeper than the cited paper, so don't know details in the paper's references. So, I am wondering about the posted...
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UUnclear Engineer replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.A couple of thoughts: First, the velocities stated in the article don't seem particularly high, to me. The muzzle velocity of a...
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UUnclear Engineer replied to the thread How much did SpaceX's Starship Flight 7 explosion pollute the atmosphere?.m4n8tpr8b seems to have a lot of insider info. But, this is the Internet, where everyone "is an expert" and not necessarily credible...
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