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Topic: closed universe, flat space?
Replies: 48   Last Post: May 5, 2013 2:45 PM

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Brian Q. Hutchings

Posts: 6,052
Registered: 12/6/04
Kepler uncovered the curvature via his three orbital constraints
(reciprocal of diameter)

Posted: Apr 30, 2013 9:31 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

now that 3d mivies have been around for, a while,
who needs a lightconeheaded phase-space?

> Light always travels/propagates with the exact null spacetime.  So, to
> any observers, light will not propagate with a coherent path.


> Can you find a triangle that adds up its angles greater than
> 180 degrees?


QED, as Gauss showed in Alsace-Lorraine
with his own theodolite design;
it is not in general convex.


Date Subject Author
4/23/13
Read closed universe, flat space?
Rich Delaney
4/23/13
Read Re: closed universe, flat space?
Poutnik
4/24/13
Read Re: closed universe, flat space?
Shmuel (Seymour J.) Metz
4/29/13
Read Re: closed universe, flat space?
Rich Delaney
4/23/13
Read Re: closed universe, flat space?
kenseto
4/24/13
Read Re: closed universe, flat space?
JT
4/24/13
Read Re: closed universe, flat space?
herbert glazier
4/24/13
Read Re: closed universe, flat space?
Double-A
4/23/13
Read Re: closed universe, flat space?
Nicolas Bonneel
4/29/13
Read Re: closed universe, flat space?
Rich Delaney
4/29/13
Read Re: closed universe, flat space?
Mike Terry
4/23/13
Read Re: closed universe, flat space?
xxein
4/23/13
Read Re: closed universe, flat space?
Brian Q. Hutchings
4/23/13
Read Re: closed universe, flat space?
Butch Malahide
4/23/13
Read Re: closed universe, flat space?
Newberry
4/24/13
Read Re: closed universe, flat space?
Koobee Wublee
4/24/13
Read Re: closed universe, flat space?
dan.ms.chaos@gmail.com
4/24/13
Read Re: closed universe, flat space?
Koobee Wublee
4/24/13
Read space is locally curved, as has been measured
Brian Q. Hutchings
4/25/13
Read Re: closed universe, flat space?
dan.ms.chaos@gmail.com
4/25/13
Read Re: closed universe, flat space?
herbert glazier
4/25/13
Read Re: closed universe, flat space?
dan.ms.chaos@gmail.com
4/25/13
Read Re: closed universe, flat space?
bradguth@gmail.com
4/27/13
Read Re: closed universe, flat space?
Brian Q. Hutchings
5/4/13
Read Re: closed universe, flat space?
bradguth@gmail.com
5/5/13
Read Re: closed universe, flat space?
Brian Q. Hutchings
4/25/13
Read Re: closed universe, flat space?
Koobee Wublee
4/25/13
Read Re: closed universe, flat space?
dan.ms.chaos@gmail.com
4/25/13
Read Re: closed universe, flat space?
Koobee Wublee
4/25/13
Read closed universe, flat space, ignore Minkowski's worse nD geometry;
thank you
Brian Q. Hutchings
4/26/13
Read Re: closed universe, flat space, ignore Minkowski's worse nD
geometry; thank you
Brian Q. Hutchings
4/27/13
Read curved space and/or curved time (time is the "real, scalar" part of
vector mechanics -- like a God-am clock
Brian Q. Hutchings
4/27/13
Read Re: curved space and/or curved time (time is the "real, scalar" part
of vector mechanics -- like a God-am clock
Brian Q. Hutchings
4/27/13
Read Re: closed universe, flat space?
Tom Roberts
4/27/13
Read Re: closed universe, flat space?
Koobee Wublee
4/27/13
Read Re: closed universe, flat space?
Brian Q. Hutchings
4/29/13
Read Re: closed universe, flat space?
Rich Delaney
4/29/13
Read Re: closed universe, flat space?
dan.ms.chaos@gmail.com
4/29/13
Read Re: closed universe, flat space?
Koobee Wublee
4/30/13
Read Kepler uncovered the curvature via his three orbital constraints
(reciprocal of diameter)
Brian Q. Hutchings
4/30/13
Read Minkowski was an otherwise-great geometer!
Brian Q. Hutchings
5/1/13
Read Minkowski, Minkowski, Minkowski -- say it, againsville
Brian Q. Hutchings
5/1/13
Read Kepler's cosmological curvature thingies
Brian Q. Hutchings
5/3/13
Read Re: closed universe, flat space?
Rich Delaney
5/4/13
Read Re: closed universe, flat space?
dan.ms.chaos@gmail.com
5/4/13
Read Re: closed universe, flat space?
dan.ms.chaos@gmail.com
5/4/13
Read Re: closed universe, flat space?
dan.ms.chaos@gmail.com
5/5/13
Read Re: closed universe, flat space?
Koobee Wublee
5/5/13
Read eight to the bar -- Daddy!
Brian Q. Hutchings

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