Helio's latest activity
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Helio replied to the thread Definition of Universe requires clarification, to enable discussion.Yes, your change takes us from the "map" to the land itself. Perhaps Gribbin intended to imply the difference. His "The Universe..."... -
Helio reacted to ZenGalacticore's post in the thread Is there life out there? The existence of other technological species is highly likely with
Like.
While we may be the only technological species in the Milky Way Galaxy, or perhaps one among a handful, I would dare not presume that... -
Helio reacted to AboveAndBeyond's post in the thread Is there life out there? The existence of other technological species is highly likely with Like.
The article isn't very good at making a case that "the existence of other technological species is highly likely". Sure, the probablity...
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Helio replied to the thread World's largest digital camera to help new Vera Rubin Observatory make a 'time-lapse record of the universe' (video).Here is a site that gives the additional, yet important, details. "Weighing over 3000 kilograms, the 3200-megapixel camera is at the...
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Helio replied to the thread Total lunar eclipse March 2025: Best photos of the "Blood Worm Moon.Is refraction great enough so even those orbiting close to Earth (NEO) still see a 360 deg. horizon glow?
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Helio reacted to rod's post in the thread Total lunar eclipse March 2025: Best photos of the "Blood Worm Moon with Like.
Helio, the 104 arcminute or so angular size for Earth as seen from the Moon is accurate. However I see this answer as a better...
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Helio replied to the thread 13 faster-than-light travel methods from sci-fi that leave Einstein's theory of relativity in their space dust.Yes, movie making has taught it is better not to offer explanations for futuristic advancements as it comes across too ad hoc. It's...
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Helio reacted to Unclear Engineer's post in the thread 13 faster-than-light travel methods from sci-fi that leave Einstein's theory of relativity in their space dust with Like.
These interstellar transportation processes in science fiction are using the "plausible impossibility" principle long used in animated...
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Helio replied to the thread Where will the partial solar eclipse be visible in March 2025?.Speaking of solar eclipses, the 2026 eclipse in Spain and near Iceland is less than 18 months away. Given how little ground the path...
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Helio replied to the thread 13 faster-than-light travel methods from sci-fi that leave Einstein's theory of relativity in their space dust.Yes, I am surprised entanglement wasn't mentioned since it is the fastest transport system of them all. But if any of the others could...
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Helio reacted to Unclear Engineer's post in the thread 13 faster-than-light travel methods from sci-fi that leave Einstein's theory of relativity in their space dust with Like.
I am surprised that we don't yet seem to have a 14th - "entanglement". But, that might be the backfitted explanation for some of that...
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Helio replied to the thread Total lunar eclipse March 2025: Best photos of the "Blood Worm Moon.I was surprised to see the solar eclipse as seen from Firefly. The light, especially the red areas, suggested the Earth was a match...
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Helio reacted to rod's post in the thread Total lunar eclipse March 2025: Best photos of the "Blood Worm Moon with Like.
Helio, you have captured images of Mare Crisium during the total lunar eclipse, I was observing that area too when viewing with my...
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Helio reacted to billslugg's post in the thread Wow! Private lunar lander watches 'diamond ring' eclipse from the surface of the moon (photo) with Like.
The only "Diamond Ring" is at 4 o'clock where the Sun is. The rest of it is the Earth's atmosphere. For this eclipse the tangent line...
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Helio replied to the thread Wow! Private lunar lander watches 'diamond ring' eclipse from the surface of the moon (photo).Thanks Bill. At first glance, it looks as if we are seeing prominences (ring), though blurred, along the limb, hence my question.
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