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Search: Posts made by: Martin Brown[_3_]
Forum: Astronomy Misc April 23rd 19, 12:30 PM Posted to sci.astro
Replies: 5
Views: 663
Posted By Martin Brown[_3_]
The "photo" of the black hole has been retouched!

On 18/04/2019 10:55, wrote:
Am Donnerstag, 18. April 2019 09:27:08 UTC+2 schrieb Martin Brown:
On 18/04/2019 08:03, wrote:

Katie Bouman's image is...
Forum: Astronomy Misc April 18th 19, 08:27 AM Posted to sci.astro
Replies: 5
Views: 663
Posted By Martin Brown[_3_]
The "photo" of the black hole has been retouched!

On 18/04/2019 08:03, wrote:
Am Mittwoch, 17. April 2019 22:21:47 UTC+2 schrieb Steve Willner:
In article ,
...
Forum: Astronomy Misc April 13th 19, 05:04 PM Posted to sci.astro
Replies: 2
Views: 731
Posted By Martin Brown[_3_]
Black Holes

On 13/04/2019 00:15, wrote:
Will a black hole in a galaxy ever consume their entire galaxy. If so
are there any known galaxies that are almost consumed by their black
...
Forum: Amateur Astronomy January 23rd 19, 04:47 PM Posted to sci.astro.amateur
Replies: 4
Views: 1,023
Posted By Martin Brown[_3_]
Blood Moon fotos

On 21/01/2019 20:46, StarDust wrote:
Very nice pictures!
https://www.bbc.com/news/world-us-canada-46943592

This one is quite fun they captured a meteor impact flash during the
total...
Forum: Amateur Astronomy January 21st 19, 10:11 AM Posted to sci.astro.amateur
Replies: 3
Views: 977
Posted By Martin Brown[_3_]
RASC Toronto. Why hold observing nights a week before eclipse??

On 21/01/2019 00:35, RichA wrote:
Funny, they hold an observing session at a city park, just days
before a total lunar eclipse! Why not hold it DURING the eclipse?
They might even have seen a...
Forum: Amateur Astronomy January 11th 19, 09:13 AM Posted to sci.astro.amateur
Replies: 6
Views: 756
Posted By Martin Brown[_3_]
Mysterious radio signals from deep space detected

On 10/01/2019 23:35, Davoud wrote:
Martin Brown:
There may be only one way of opening up a wormhole near a black hole and
this is the RF emission signature it produces.

Yes, simple...
Forum: Amateur Astronomy January 10th 19, 06:08 PM Posted to sci.astro.amateur
Replies: 6
Views: 756
Posted By Martin Brown[_3_]
Mysterious radio signals from deep space detected

On 10/01/2019 10:16, wrote:
On Wednesday, January 9, 2019 at 8:51:46 PM UTC-5, StarDust wrote:
https://www.bbc.com/news/science-environment-46811618

ET home!!!!!
...
Forum: Amateur Astronomy January 9th 19, 07:26 PM Posted to sci.astro.amateur
Replies: 43
Views: 861
Posted By Martin Brown[_3_]
New Horizons "stellar" course?

On 09/01/2019 18:26, JBI wrote:
On 1/9/19 7:19 AM, wrote:
On Tuesday, January 8, 2019 at 4:48:49 PM UTC-5, JBI wrote:
On 1/8/19 11:22 AM, JBI wrote:
On 1/8/19 8:29...
Forum: Amateur Astronomy January 9th 19, 01:10 PM Posted to sci.astro.amateur
Replies: 43
Views: 861
Posted By Martin Brown[_3_]
New Horizons "stellar" course?

On 09/01/2019 12:28, JBI wrote:
On 1/9/19 6:50 AM, Martin Brown wrote:
On 09/01/2019 01:19, JBI wrote:
On 1/8/19 6:09 PM, Thomas 'PointedEars' Lahn wrote: JBI wrote:
* ^^^

*...
Forum: Amateur Astronomy January 9th 19, 11:50 AM Posted to sci.astro.amateur
Replies: 43
Views: 861
Posted By Martin Brown[_3_]
New Horizons "stellar" course?

On 09/01/2019 01:19, JBI wrote:
On 1/8/19 6:09 PM, Thomas 'PointedEars' Lahn wrote: JBI wrote:
^^^

there doesn't give me much hope unless a super telescope is constructed
in...
Forum: Amateur Astronomy January 1st 19, 09:20 AM Posted to sci.astro.amateur
Replies: 6
Views: 427
Posted By Martin Brown[_3_]
should I stay awake long enough to watch the Ultima Thule flyby?

On 31/12/2018 18:14, wrote:
If NASA will be showing photographs from the spacecraft as it flies
past 'Ultima Thule' tonight I would be interested in watching.
However, I...
Forum: Astronomy Misc December 19th 18, 10:31 PM Posted to sci.astro
Replies: 21
Views: 757
Posted By Martin Brown[_3_]
No Alien Visits Ever

On 19/12/2018 19:33, Thomas 'PointedEars' Lahn wrote:
Jan Panteltje wrote:
Thomas 'PointedEars' Lahn wrote
Jan Panteltje wrote:
We see in WW2 for example V1 V1, invention of microwave...
Forum: Amateur Astronomy December 18th 18, 09:12 AM Posted to sci.astro.amateur
Replies: 4
Views: 509
Posted By Martin Brown[_3_]
Comet 46P Wirtanen & Pleiades in Real Time

On 17/12/2018 23:13, Mike Collins wrote:
StarDust wrote:
https://www.youtube.com/watch?v=JkxP0ngip3o

Nice!
So faint?

Have you seen it naked eye yet?

No. It was...
Forum: Amateur Astronomy December 13th 18, 02:06 PM Posted to sci.astro.amateur
Replies: 4
Views: 685
Posted By Martin Brown[_3_]
Can't see the comet 46P/Wirtanen because it's like winter 1986here

On 13/12/2018 10:01, StarDust wrote:
On Wednesday, December 12, 2018 at 9:26:33 PM UTC-8, RichA wrote:
By that I mean the Halley era. 3 solid months of clouds without a break.

Maybe...
Forum: Amateur Astronomy December 12th 18, 10:57 PM Posted to sci.astro.amateur
Replies: 59
Views: 1,100
Posted By Martin Brown[_3_]
46P, can't see

On 12/12/2018 17:22, Paul Schlyter wrote:
On Wed, 12 Dec 2018 06:01:14 -0800 (PST), StarDust
wrote:
Canada is metric , so as Mexico, been there , roads are in km units.
...
Forum: Astronomy Misc December 6th 18, 09:51 PM Posted to sci.astro
Replies: 5
Views: 650
Posted By Martin Brown[_3_]
negative masses?

On 06/12/2018 19:49, dlzc wrote:
Dear Jan Panteltje:

On Thursday, December 6, 2018 at 10:39:37 AM UTC-7, Jan Panteltje
wrote:
negative masses?

...
Forum: Amateur Astronomy November 30th 18, 05:40 PM Posted to sci.astro.amateur
Replies: 27
Views: 550
Posted By Martin Brown[_3_]
Here it is: the real impact of global warming

On 29/11/2018 18:59, Quadibloc wrote:
On Thursday, November 29, 2018 at 4:42:29 AM UTC-7, Martin Brown wrote:
In the USA it has become a party
political issue where Republicans think that...
Forum: Amateur Astronomy November 29th 18, 03:18 PM Posted to sci.astro.amateur
Replies: 27
Views: 550
Posted By Martin Brown[_3_]
Here it is: the real impact of global warming

On 29/11/2018 02:21, Quadibloc wrote:
Looking for more information on this, I found the following page:

https://www.science.org.au/curious/earth-environment/enhanced-greenhouse-effect

...
Forum: Amateur Astronomy November 29th 18, 11:42 AM Posted to sci.astro.amateur
Replies: 27
Views: 550
Posted By Martin Brown[_3_]
Here it is: the real impact of global warming

On 28/11/2018 01:10, Quadibloc wrote:
On Tuesday, November 27, 2018 at 3:42:50 PM UTC-7, Gary Harnagel wrote:

And YOU are a climate groupie who doen't understand the first thing about
the...
Forum: Amateur Astronomy November 19th 18, 09:47 AM Posted to sci.astro.amateur
Replies: 17
Views: 275
Posted By Martin Brown[_3_]
Even relatively honest but left-wing BBC sometimes publishesrubbish

On 18/11/2018 03:54, RichA wrote:
On Saturday, 17 November 2018 09:17:50 UTC-5, Chris L Peterson
wrote:
On Fri, 16 Nov 2018 18:21:19 -0800 (PST), RichA
wrote:

...
Forum: Amateur Astronomy November 18th 18, 04:17 PM Posted to sci.astro.amateur
Replies: 17
Views: 275
Posted By Martin Brown[_3_]
Even relatively honest but left-wing BBC sometimes publishesrubbish

On 16/11/2018 15:28, Jibini Kula Tumbili Kujisalimisha wrote:
Chris L Peterson wrote in
:

On Thu, 15 Nov 2018...
Forum: Amateur Astronomy November 10th 18, 09:43 AM Posted to sci.astro.amateur
Replies: 1
Views: 136
Posted By Martin Brown[_3_]
'Oumuamua

On 10/11/2018 01:29, StarDust wrote:
https://www.youtube.com/watch?v=rfi3w9Bzwik

So, why not just use asteroid for space craft by attaching a few
rocket engine to it, drill a few caves...
Forum: Amateur Astronomy November 7th 18, 09:03 PM Posted to sci.astro.amateur
Replies: 7
Views: 144
Posted By Martin Brown[_3_]
Geostationary satellites

On 07/11/2018 16:05, Gerald Kelleher wrote:
The same surface rotation responsible for the variations in the
natural noon cycle and isolated as the Polar day/night cycle
(parallel to the orbital...
Forum: Amateur Astronomy October 29th 18, 09:57 AM Posted to sci.astro.amateur
Replies: 525
Views: 2,759
Posted By Martin Brown[_3_]
Neil DeGrasse Tyson headed down same loony road as Carl Sagan?

On 28/10/2018 09:57, Martin Brown wrote:
On 28/10/2018 09:52, Paul Schlyter wrote:
In article ,
says...

On...
Forum: Amateur Astronomy October 28th 18, 09:57 AM Posted to sci.astro.amateur
Replies: 525
Views: 2,759
Posted By Martin Brown[_3_]
Neil DeGrasse Tyson headed down same loony road as Carl Sagan?

On 28/10/2018 09:52, Paul Schlyter wrote:
In article ,
says...

On Saturday, October 27, 2018 at 12:56:35 AM UTC-6,...
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