m4n8tpr8b's latest activity
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m4n8tpr8b replied to the thread Tiny plasma jets on the sun drive the elusive solar wind, Europe's Solar Orbiter reveals.No, the wind is not accelerated out of our system, or there would be no heliopause. The wind is accelerated above the surface of the... -
m4n8tpr8b replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.I don't have time for a more detailed reply [EDIT: well I did end up writing three paragraphs...], but I'll try to sort this one out for...
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m4n8tpr8b replied to the thread Risks with current Artemis 3 moon landing plan 'may be too high,' NASA safety group says.Some other firsts omitted in the diagram: Use of a lift to lower payload & astronauts from the HLS to the ground (risks: malfunction...
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m4n8tpr8b replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.To address your concerns, I would need to know what you mean by "too insignificant" and "too subtly defined" - for example, what would...
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m4n8tpr8b replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.That's because that question is more general and itself just a part of the even more general issue of asymmetric ejecta, and not subject...
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m4n8tpr8b replied to the thread Giant planet or 'failed star?' Newfound mystery world blurs the lines.You are confusing the solar cycle with the motion around the centre of mass. The 22-year solar cycle is a cycle in the pattern of the...
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m4n8tpr8b replied to the thread Giant planet or 'failed star?' Newfound mystery world blurs the lines.The mainstream view is that (1) brown dwarfs have masses between 13 and 80 Jupiter masses, (2) brown dwarfs formed by cloud collapse...
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m4n8tpr8b replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.This is as good a place as any to talk about how giant impacts in fiction cannot fully show how extreme conditions are. In Armageddon...
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m4n8tpr8b replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.I never said anything about uniform distribution, in fact, quite the opposite. I never said there weren't. I only countered your idea...
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m4n8tpr8b replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.By the time it hits a solid body, it doesn't matter what the impactor is composed of - it can be solid iron or it can be a dense cloud...
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m4n8tpr8b replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.On Mercury, the Caloris Basin has an antipodal chaos region. Given that the Moon is smaller while the South Pole-Aitken basin is larger...
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m4n8tpr8b replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.There was no breaking into pieces, and inhomogeneity of the impacted surface also can only have little influence. This was an impact by...
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m4n8tpr8b replied to the thread Hubble Space Telescope spots a spectacular Bullseye in deep space (image).The language is a bit imprecise. Those "star-filled rings" are the new regions of star formation. This is because heavier stars are...
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m4n8tpr8b replied to the thread Bullet-fast moon rocks carved 2 lunar gorges deeper than the Grand Canyon.Interesting article, and the paper it is based on is even more interesting. Craters have the paradox that they are almost round...
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m4n8tpr8b replied to the thread How much did SpaceX's Starship Flight 7 explosion pollute the atmosphere?.I repeat that contrary to the claims of Elon Musk fans in this thread, Space.com (and not just Space.com - practically all space media)...
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