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Search: Posts made by: Jos Bergervoet
Forum: Research December 29th 19, 09:31 AM Posted to sci.astro.research
Replies: 2
Views: 351
Posted By Jos Bergervoet
fourth "live post" from the Texas Symposium on RelativisticAstrophysics

On 19/12/21 2:53 AM, Phillip Helbig (undress to reply) wrote:
...
No dark matter has been detected.

[apart from its gravitational influence]

... Experiments for direct detection or
...
Forum: Research November 2nd 19, 05:59 PM Posted to sci.astro.research
Replies: 16
Views: 1,505
Posted By Jos Bergervoet
Is the Universe Younger than We Thought?

On 19/11/02 9:50 AM, Steve Willner wrote:
...
... 1. both the local ("direct") measurements
and the distant ("indirect") measurements are made by two
_independent_ methods, which agree...
Forum: Research October 16th 19, 04:49 AM Posted to sci.astro.research
Replies: 16
Views: 1,505
Posted By Jos Bergervoet
Is the Universe Younger than We Thought?

On 19/10/15 10:17 PM, Steve Willner wrote:
In article ,
"Jonathan Thornburg [remove -animal to reply]"
...
Forum: Research January 19th 18, 06:00 PM Posted to sci.astro.research
Replies: 43
Views: 1,653
Posted By Jos Bergervoet
scientific proof and disproof

On 1/19/2018 7:19 AM, Richard D. Saam wrote:
On 1/10/18 3:15 PM, Jonathan Thornburg [remove -animal to reply] wrote:
..
..
All of the above logic must consider Goedel's incompleteness...
Forum: Research November 12th 17, 07:52 AM Posted to sci.astro.research
Replies: 13
Views: 787
Posted By Jos Bergervoet
Verifying

On 11/11/2017 9:50 PM, jacobnavia wrote:
Le 10/11/2017 à 08:10, Jos Bergervoet a écrit :

We know what the rotation curves are, so the acceleration of
stars on average is known, and it is...
Forum: Research November 10th 17, 08:10 AM Posted to sci.astro.research
Replies: 13
Views: 787
Posted By Jos Bergervoet
Verifying

On 11/9/2017 10:00 AM, jacobnavia wrote:
Le 08/11/2017 à 20:33, jacobnavia a écrit :
Le 05/11/2017 Ã 09:05, Jos Bergervoet wrote:
So you have information as to whether it is strong enough...
Forum: Research November 5th 17, 09:05 AM Posted to sci.astro.research
Replies: 13
Views: 787
Posted By Jos Bergervoet
Verifying

On 11/4/2017 9:01 PM, jacobnavia wrote:
If there is anew kind of attractive force, unknown to us, that pulls
matter together, we should be able to see some effects of this feeble
force in our...
Forum: Research July 31st 17, 10:06 PM Posted to sci.astro.research
Replies: 4
Views: 482
Posted By Jos Bergervoet
The telescopes of the future

On 7/30/2017 10:57 AM, jacobnavia wrote:
Caltech has demonstrated a camera without lenses.

https://petapixel.com/2017/06/22/caltech-made-sensor-lensless-camera-future/

Unfortunately the link...
Forum: Research May 30th 17, 01:47 PM Posted to sci.physics.research,sci.astro.research
Replies: 30
Views: 1,582
Posted By Jos Bergervoet
entropy and gravitation

On 5/30/2017 6:55 AM, Phillip Helbig (undress to reply) wrote:
A smooth distribution corresponds to high entropy and a lumpy one to low
entropy if gravity is not involved. For example, air in a...
Forum: Research July 24th 16, 08:00 PM Posted to sci.astro.research
Replies: 12
Views: 1,104
Posted By Jos Bergervoet
More on LIGO, DM, PBHs, CIB and CXB

[Moderator's note: Original Message-ID header removed because it contained
an 8-bit character.]

On 7/24/2016 7:46 PM, Phillip Helbig (undress to reply) wrote:
In article...
Forum: Research April 22nd 16, 03:54 AM Posted to sci.astro.research
Replies: 15
Views: 1,434
Posted By Jos Bergervoet
Paradox unexplained

On 4/16/2016 8:38 AM, Steven Carlip wrote:
There are a couple of things to keep in mind when discussing
this problem. First, in classical general relativity the
horizon is empty space --...
Forum: Research April 15th 16, 03:24 PM Posted to sci.astro.research
Replies: 15
Views: 1,434
Posted By Jos Bergervoet
Paradox unexplained

On 4/3/2016 11:32 PM, Steven Carlip wrote:
On 4/1/16 4:47 PM, Jos Bergervoet wrote:
For the black hole information paradox I would expect
two seemingly conflicting results (as is necessary...
Forum: Research April 13th 16, 09:07 PM Posted to sci.astro.research
Replies: 0
Views: 578
Posted By Jos Bergervoet
Supertranslations, a simple example(?)

Now that the mystery is unfolding, I'm trying to catch up
with the new concepts. Especially the supertranslations. In
http://arxiv.org/abs/1603.07706v1 [1] they are said to be
at Null Infinity....
Forum: Research April 1st 16, 03:47 PM Posted to sci.astro.research
Replies: 15
Views: 1,434
Posted By Jos Bergervoet
Paradox unexplained

For the black hole information paradox I would expect
two seemingly conflicting results (as is necessary for
a paradox by definition,) e.g. like:

1) We know that information is lost because [...]
2)...
Forum: Research March 30th 16, 10:29 PM Posted to sci.astro.research
Replies: 11
Views: 1,008
Posted By Jos Bergervoet
No WIMP Annihilation Observed In SMC

On 3/30/2016 9:22 AM, jacobnavia wrote:
...
.... physicists are anxious about its prospects. Their main concern is
that in 6 years of running, the LHC has found no evidence of
supersymmetry -...
Forum: Research March 15th 16, 09:42 AM Posted to sci.astro.research
Replies: 24
Views: 1,572
Posted By Jos Bergervoet
Thinking About Large-Scale Structure

On 3/14/2016 9:40 AM, Robert L. Oldershaw wrote:
On Sunday, March 13, 2016 at 8:34:32 AM UTC-4, Jos Bergervoet wrote:

If this Atlas of The Universe is accurate:
...
Forum: Research March 13th 16, 01:34 PM Posted to sci.astro.research
Replies: 24
Views: 1,572
Posted By Jos Bergervoet
Thinking About Large-Scale Structure

On 3/13/2016 10:26 AM, Craig Markwardt wrote:
On Friday, March 11, 2016 at 3:16:28 AM UTC-5, Robert L. Oldershaw wrote:
Consider a hollow sphere of inert material moving inertially in
...
Forum: Research March 13th 16, 10:18 AM Posted to sci.astro.research
Replies: 24
Views: 1,572
Posted By Jos Bergervoet
Thinking About Large-Scale Structure

On 3/11/2016 9:16 AM, Robert L. Oldershaw wrote:
Consider a hollow sphere of inert material moving inertially in
interstellar space. The volume of the sphere is on the order of 10^6
cubic...
Forum: Research February 27th 16, 09:10 PM Posted to sci.astro.research
Replies: 37
Views: 2,267
Posted By Jos Bergervoet
Advantage Inhomogeneity

On 2/27/2016 10:00 AM, Robert L. Oldershaw wrote:
On Thursday, February 25, 2016 at 7:43:38 AM UTC-5, Phillip Helbig (undress to reply) wrote:

The authors could probably sue you in court for...
Forum: Research February 23rd 16, 11:22 AM Posted to sci.astro.research
Replies: 37
Views: 2,267
Posted By Jos Bergervoet
Advantage Inhomogeneity

On 2/23/2016 8:51 AM, Phillip Helbig (undress to reply) wrote:
In article , "Robert L.
Oldershaw" writes:

You mean to say...
Forum: Research February 22nd 16, 08:36 AM Posted to sci.astro.research
Replies: 37
Views: 2,267
Posted By Jos Bergervoet
Advantage Inhomogeneity

On 2/21/2016 4:10 PM, Robert L. Oldershaw wrote:
On Saturday, February 20, 2016 at 2:57:10 AM UTC-5, Phillip Helbig (undress to reply) wrote:
In article ,...
Forum: Research February 18th 16, 09:20 AM Posted to sci.astro.research,sci.physics.research
Replies: 25
Views: 1,649
Posted By Jos Bergervoet
Advanced LIGO has detected gravitational waves from a binaryblack hole collision/merger

On 2/16/2016 8:48 PM, Steve Willner wrote:
In article ,
Jos Bergervoet writes:
Why are the 2 predicted curve in this...
Forum: Research February 13th 16, 05:40 PM Posted to sci.physics.research,sci.astro.research
Replies: 25
Views: 1,649
Posted By Jos Bergervoet
Advanced LIGO has detected gravitational waves from a binary

On 2/13/2016 11:08 AM, Gregor Scholten wrote:
What I'm really asking myself is:

That black hole collision took place in 1.3 billion light years
distance, and is still detectable. How strong...
Forum: Research February 12th 16, 09:53 AM Posted to sci.physics.research,sci.astro.research
Replies: 25
Views: 1,649
Posted By Jos Bergervoet
Advanced LIGO has detected gravitational waves from a binaryblack hole collision/merger

On 2/12/2016 9:04 AM, Jonathan Thornburg [remove -animal to reply] wrote:
The event is called GW150914.

This Nature page is a good summary
...
Forum: Research February 11th 16, 03:11 AM Posted to sci.astro.research
Replies: 37
Views: 2,267
Posted By Jos Bergervoet
Advantage Inhomogeneity

On 2/10/2016 9:54 PM, Phillip Helbig (undress to reply) wrote:
In article , Jos Bergervoet
..
.. By definition, a fractal
distribution doesn't...
Showing results 1 to 25 of 122

 
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