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Helio
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Jun 1, 2020
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Yesterday at 11:30 PM
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Helio
reacted to
Unclear Engineer's post
in the thread
NASA-funded pulsed plasma rocket concept aims to send astronauts to Mars in 2 months
with
Like
.
I did not drill down into the article references. But, I would expect NASA to "smell a rat" if the proposal was simply a hoax. The...
Yesterday at 11:41 PM
Helio
reacted to
billslugg's post
in the thread
More on the Big Bang - what was before t = 0?
with
Like
.
I have three possible reasons for the universe not immediately becoming a Black Hole: - The universe was too uniform. No nuclei. BH...
Yesterday at 11:29 PM
Helio
replied to the thread
Why a giant 'cold spot' in the cosmic microwave background has long perplexed astronomers
.
It’s not the dipole, which is hemispheric. It’s an actual cooler than normal 5deg. region. One article estimates a 1:50 chance this...
Yesterday at 11:26 PM
Helio
reacted to
billslugg's post
in the thread
Why a giant 'cold spot' in the cosmic microwave background has long perplexed astronomers
with
Like
.
There was no "point of detonation" in the BB. The entire universe expanded equally everywhere. There was no "preferred location", all...
Yesterday at 10:53 PM
Helio
replied to the thread
Why a giant 'cold spot' in the cosmic microwave background has long perplexed astronomers
.
Article nit….Not 10,000 kelvins, but ~ 3,000 kelvins.
Yesterday at 10:52 PM
Helio
replied to the thread
More on the Big Bang - what was before t = 0?
.
Yes, BBT must predict what happens. The first find was from Gamow and Alpher who demonstrated that only H and He nuclei had time and...
Yesterday at 10:42 PM
Helio
replied to the thread
More on the Big Bang - what was before t = 0?
.
Yes. Just as abiogenesis was a complete unknown to Darwin, not too dissimilar to today, so too is science in addressing physics, say...
Yesterday at 12:23 PM
Helio
replied to the thread
More on the Big Bang - what was before t = 0?
.
That’s a common view, but it comes with a caveat— all the physics’ equations eventually turn to goo when approaching t=0. Scientific...
Friday at 2:39 PM
Helio
reacted to
billslugg's post
in the thread
Our Solar System and Life Out There
with
Like
.
I believe life is abundant in the cosmos, the nearest one simply being too far away to detect. With better telescopes we might succeed...
Friday at 10:22 AM
Helio
replied to the thread
More on the Big Bang - what was before t = 0?
.
BBT is solid science, but it doesn’t include the t= 0 event. BBT should be seen more like Darwin’s Origin of the Species since his...
Friday at 6:29 AM
Helio
replied to the thread
More on the Big Bang - what was before t = 0?
.
Eddington and others in the 30’s liked the cyclic view. [Lemaitre favored a giant atom beginning due largely to the discovery of cosmic...
Friday at 6:02 AM
Helio
reacted to
billslugg's post
in the thread
Goodbye infinity and all that infinite singularity and infinite density descriptions
with
Like
.
Consider two intersecting lines in a plane. As they are made more parallel, the intersection moves outward. As they become parallel...
Tuesday at 8:06 PM
Helio
replied to the thread
Goodbye infinity and all that infinite singularity and infinite density descriptions
.
This looks like a twist in the Zeno paradox. The rate of the outward point’s movement increases exponentially and allows for separation...
Tuesday at 8:06 PM
Helio
replied to the thread
Goodbye infinity and all that infinite singularity and infinite density descriptions
.
Here's a quote from Descartes in his Principia philosophiae (1644) that I find interesting: “We should not try to understand infinity...
Tuesday at 4:55 PM
Helio
replied to the thread
Car-sized asteroid gives Earth a close shave in near-miss flyby (video, photo)
.
Perhaps it was a Tesla. *wink*
Tuesday at 4:51 PM
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