Helio's latest activity
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Helio replied to the thread Definition of Universe requires clarification, to enable discussion.Yes. The essence of the analogy is to have a metaphor that demonstrates science to be in the form of construction (technology)... -
Helio replied to the thread Definition of Universe requires clarification, to enable discussion.True, but given the huge similarity of what is observed (ie CMBR), which allows for homogeneity conclusions, then these conclusions are...
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Helio replied to the thread New cosmic 'baby pictures' reveal our universe taking its 1st steps towards stars and galaxies.It also talks about the Hubble Tension. I still don't understand the basis to the disagreement. If DE is just a little stronger than...
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Helio replied to the thread Definition of Universe requires clarification, to enable discussion.Okay, but don't forget the estuaries. ;) The analogy is of an Earth comprised of both land and water. Both regions have their...
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Helio reacted to Catastrophe's post in the thread Definition of Universe requires clarification, to enable discussion with
Like.
So time passes and new thoughts arise, more ideas are aired. Sorry, but the Gribbin definition is up for further examination. Looking... -
Helio replied to the thread New cosmic 'baby pictures' reveal our universe taking its 1st steps towards stars and galaxies.Great story. I hope a little pedantry is okay. ;) “Prior to around 380,000 years after the Big Bang, the universe was a dark place...
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Helio reacted to Admin's post in the thread New cosmic 'baby pictures' reveal our universe taking its 1st steps towards stars and galaxies with Like.
The clearest and most precise images yet of the universe’s infancy from the Atacama Cosmology Telescope show the first steps toward the...
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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..."...
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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...
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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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