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UUnclear Engineer replied to the thread Astronomers see the 1st stars dispel darkness 13 billion years ago at 'Cosmic Dawn.But redshift and lower density did not happen faster than light can be absorbed. And from what I have read, the CMBR frequency...
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UUnclear Engineer replied to the thread Astronomers see the 1st stars dispel darkness 13 billion years ago at 'Cosmic Dawn.One of the things that bothers me about explanations like the one in Helio's link is that somehow, the CMBR that supposedly was emitted...
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UUnclear Engineer replied to the thread Astronomers see the 1st stars dispel darkness 13 billion years ago at 'Cosmic Dawn.If that was "AI", then it is short for "Automated Incompetence". And, it seems incredible that any journalist, or editor, would simply...
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UUnclear Engineer replied to the thread Astronomers see the 1st stars dispel darkness 13 billion years ago at 'Cosmic Dawn.This article is a mess! It states: "Suddenly, photons were free to travel unimpeded through the cosmos as the universe instantly went...
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UUnclear Engineer replied to the thread A hidden 'super-Earth' exoplanet is dipping in and out of its habitable zone.I am still looking at the detection bias issue. Helio's table isn't much help, because so few of the planets around type G stars have...
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UUnclear Engineer replied to the thread A hidden 'super-Earth' exoplanet is dipping in and out of its habitable zone.So, for the 99 planets orbiting the type G stars within their habitable zones, what is the planets' size distribution?
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UUnclear Engineer replied to the thread A hidden 'super-Earth' exoplanet is dipping in and out of its habitable zone.I don't think we can say "Our solar system is clearly not the norm configuration." We have methods of detection that favor finding...
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UUnclear Engineer replied to the thread A hidden 'super-Earth' exoplanet is dipping in and out of its habitable zone.There is still a lot of observation capability bias in our list of exoplanets. Heavy planets close to small stars are easiest to...
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UUnclear Engineer replied to the thread NASA raises the odds that an asteroid could hit the moon in 2032.With the current situation at NASA, I am not confident we will have any seismometers on the Moon in the near future. We might not even...
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UUnclear Engineer replied to the thread There's an infinite amount of energy locked in the vacuum of space-time. Could we ever use it?.From Helio's link: "The treatment of boundary conditions in these calculations is controversial. In fact, "Casimir's original goal was...
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UUnclear Engineer replied to the thread There's an infinite amount of energy locked in the vacuum of space-time. Could we ever use it?.Do we have actual evidence that "virtual particles pop in and out of existence" all over the place all of the time? IF we do, THEN...
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UUnclear Engineer replied to the thread There's an infinite amount of energy locked in the vacuum of space-time. Could we ever use it?.The article says "Any finite volume, like an empty box, contains an infinite number of geometric points, so this means there's an...
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UUnclear Engineer replied to the thread SpaceX could launch 1st Starship to orbit in January, Elon Musk says.While I agree that the public will expect to see "a number of successful launches all of the time, without failures", the real risk...
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UUnclear Engineer replied to the thread China's Tianwen 2 spacecraft sends home 1st photo as it heads for mysterious 'quasi-moon' asteroid.China is definitely demonstrating rapid progress in advancing its technological capabilities in space. It provides a good benchmark for...
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UUnclear Engineer replied to the thread Relativistic time dilation.Time seems to be one of the things that we least understand. There are people who think it is a fundamental property of the universe...
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