The Universe
30 Oct '14 11:111 editOriginally posted by twhiteheadTerry Pratchett thinks the world is a disc.
Nothing on that page mentions a disc shape.
And no, astronomers do not think the universe is shaped like a disc
(Google Discworld)
😉
30 Oct '14 12:27Originally posted by CalJustIt's madness trying to come to grips with the various sizes depicted there.
Check out this fascinating site to see what astronomers think is the most detailed map yet of our place in the universe.
http://www.vox.com/2014/9/4/6105631/map-galaxy-supercluster-laniakea-milky-way
30 Oct '14 12:411 editOriginally posted by Great King RatActually even distances on planet Earth should boggle the mind. We may 'come to grips' with the distances, but we never really comprehend them fully.
It's madness trying to come to grips with the various sizes depicted there.
It boggles the mind.
30 Oct '14 12:59Originally posted by twhiteheadThe moon is a nice place to visit but there's no atmosphere, and the drive over there? It's ok once you get past the Van Allen beltway.....
Actually even distances on planet Earth should boggle the mind. We may 'come to grips' with the distances, but we never really comprehend them fully.
How long would you estimate it would take you to walk around the equator? (don't look it up first).
How long would it take to drive to the moon?
I'll admit I have no idea on either question. I will guess about a year for each.
30 Oct '14 13:07Originally posted by twhiteheadI'd guess closer to two years for the walk around the earth and less than a year - 6 months - for the drive to the moon.
Actually even distances on planet Earth should boggle the mind. We may 'come to grips' with the distances, but we never really comprehend them fully.
How long would you estimate it would take you to walk around the equator? (don't look it up first).
How long would it take to drive to the moon?
I'll admit I have no idea on either question. I will guess about a year for each.
30 Oct '14 13:20
30 Oct '14 13:23Originally posted by twhitehead
The word 'pancake' isn't on that page either.
[b]The mathematical equations are given in several sites that indicates that the universe is essentially flat, 15 billion light years thick and 200 across. I am only trying to say what I think they said they have discovered.
Then why did you give us a reference to a site that did not include any of thi ...[text shortened]... d depth. What's the fourth dimension?[/b]
I am not sure if it has a name, or even needs a name.[/b]
30 Oct '14 13:27Originally posted by twhitehead"I am not sure if it has a name, or even needs a name."
The word 'pancake' isn't on that page either.
[b]The mathematical equations are given in several sites that indicates that the universe is essentially flat, 15 billion light years thick and 200 across. I am only trying to say what I think they said they have discovered.
Then why did you give us a reference to a site that did not include any of thi ...[text shortened]... d depth. What's the fourth dimension?[/b]
I am not sure if it has a name, or even needs a name.[/b]
30 Oct '14 13:32Originally posted by Great King RatLet's see, starting the walk in Bermuda....
Earth has a circumference of about 40000 km. Walking at a steady 5 km/hrs this will take you about 8000 hours, or 333 days. Since it isn’t wise to walk for more than 12 hours a day (I guess), you have to accept that this will take about 666 days (The Devil is behind this!!). Or, you could do the smart thing, and not begin the walk at all 🙂
30 Oct '14 13:58Originally posted by josephwDid you at least take a peek at this site?
Why can't you guys stay on topic?
We're supposed to be discussing the shape of the universe. Surely you can come up with some real knowledge about it!
30 Oct '14 14:45Originally posted by josephwThe universe is expanding and the rate of acceleration is increasing. If either the expansion or the rate of increase is not homogeneous, if either (or both) is 'lumpy', then not only the size, but also the shape is presumably changing.
Why can't you guys stay on topic?
We're supposed to be discussing the shape of the universe. Surely you can come up with some real knowledge about it!
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