Starship Asterisk*

I have two questions for anyone who is more knowledgeable about technical details of the simulation: 1.) does the simulation appear accurately to represent the current state of the universe insofar as we're able to discern? 2.) If the answer to the first question is "yes," then what happens if we continue to run the simulation on into the future?

Thanks! Very interesting simulation!

[youtube]https://www.youtube.com/watch?v=pD6D3u7g_cA[/youtube]

[quote="sillyworm 2" post_id=299841 time=1582552305]
I know this is not the place to discuss it....can anyone direct me to a blog or entry that comes up with alternatives to the Big Bang Theory?
[/quote]

Well, the thing is, there is no "the" Big Bang theory, but rather, there are several versions. AFAIK there are no longer any seriously considered theories of cosmology that aren't forms of a Big Bang mechanism. So it's unlikely you'll find much of anything that isn't crackpot or pseudoscience. That said, I'd start with the Wikipedia article on [url=https://en.wikipedia.org/wiki/Big_Bang]Big Bang cosmologies[/url] and follow some of the internal links and references that might be relevant to your interest.

I know this is not the place to discuss it....can anyone direct me to a blog or entry that comes up with alternatives to the Big Bang Theory?

Perhaps they've decided that index.html was not kewl enough. My bookmark was:

https://apod.nasa.gov/apod/

but it looks as though it's now changed to:

https://apod.nasa.gov/apod/ap.html

I've updated my bookmark. :)

Oddly enough I was able to find the page for the February 24, 2020 APOD entry, even though it is not listed on the APOD archive page, by searching "why no APOD today".

https://www.google.com/search?q=why+no+APOD+today&rlz=1C1AOHY_enUS708US708&oq=why+no+APOD+today&aqs=chrome..69i57.10782j0j4&sourceid=chrome&ie=UTF-8

Moon Corona, Halo, and Arcs over Manitoba
https://apod.nasa.gov/apod/ap.html

[quote=Ann post_id=299835 time=1582538620 user_id=129702]
For some reason, there is no new APOD today. At least not so far.

Ann
[/quote]

Wonder what's up? Maybe technical issues? 👽

For some reason, there is no new APOD today. At least not so far.

Ann

[quote="orin stepanek" post_id=299826 time=1582461270 user_id=100812]

Just how can we be the only ones???🚀 [/quote]
Slow (i.e., speed of light) connectivity on the Universe Wide Web :?:

Just how can we be the only ones???🚀

The way it is depicted makes one think it is happening sequentially, instead of at the same time...

:---[===] *

[url=https://apod.nasa.gov/apod/ap200223.html] [img]https://apod.nasa.gov/apod/calendar/S_200223.jpg[/img] [size=150]Illustris Simulation of the Universe[/size][/url]

[b] Explanation: [/b] How did we get here? [url=https://www.youtube.com/watch?v=QSivvdIyeG4]Click play[/url], sit back, and watch. A [url=https://www.illustris-project.org/media/]computer simulation[/url] of the evolution of the universe provides insight into how [url=https://en.wikipedia.org/wiki/Galaxy_formation]galaxies formed[/url] and perspectives into [url=https://apod.nasa.gov/apod/ap010101.html]humanity's place in the universe[/url]. The [url=https://www.youtube.com/watch?v=NjSFR40SY58]Illustris project[/url] [url=https://i.pinimg.com/474x/0c/ba/94/0cba94c29324b1108fd7b5831742961c.jpg]exhausted[/url] 20 million CPU hours in 2014 following 12 billion resolution elements spanning a cube 35 million [url=https://chandra.harvard.edu/photo/cosmic_distance.html]light years[/url] on a side as it evolved over 13 billion years. [url=https://ui.adsabs.harvard.edu/abs/2014Natur.509..177V/abstract]The simulation[/url] tracks matter into the [url=https://apod.nasa.gov/apod/ap120717.html]formation[/url] of a wide variety of galaxy types. As the [url=http://www.sen.com/news/computer-creates-the-virtual-universe-with-unprecedented-resolution]virtual universe[/url] evolves, some of the matter expanding with the [url=https://apod.nasa.gov/apod/ap121014.html]universe[/url] soon gravitationally condenses to form filaments, [url=https://apod.nasa.gov/apod/ap130808.html]galaxies[/url], and [url=https://apod.nasa.gov/apod/ap100502.html]clusters of galaxies[/url]. The [url=https://www.youtube.com/watch?v=A23Ro3kiB1E]featured video[/url] takes the perspective of a virtual camera circling part of this changing universe, first showing the evolution of [url=http://chandra.harvard.edu/xray_astro/dark_matter/]dark matter[/url], then [url=http://periodic.lanl.gov/1.shtml]hydrogen[/url] gas coded by temperature ([url=https://www.youtube.com/watch?v=QSivvdIyeG4&t=0m45s]0:45[/url]), then heavy elements such as [url=http://periodic.lanl.gov/2.shtml]helium[/url] and [url=http://periodic.lanl.gov/6.shtml]carbon[/url] ([url=https://www.youtube.com/watch?v=QSivvdIyeG4&t=1m30s]1:30[/url]), and then back to [url=http://en.wikipedia.org/wiki/Dark_matter]dark matter[/url] ([url=https://www.youtube.com/watch?v=QSivvdIyeG4&t=2m07s]2:07[/url]). On the lower left the time since the [url=https://en.wikipedia.org/wiki/Big_Bang]Big Bang[/url] is listed, while on the lower right the type of matter being shown is listed. Explosions (0:50) [url=https://www.cfa.harvard.edu/imagelist/2014-10]depict[/url] galaxy-center supermassive black holes expelling bubbles of hot gas. Interesting discrepancies between [url=http://www.illustris-project.org/]Illustris[/url] and the [url=https://apod.nasa.gov/apod/ap120813.html]real universe[/url] have been studied, including why [url=http://arxiv.org/abs/1405.1418]the simulation[/url] produced an overabundance of old stars.


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