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Search: Posts made by: Martin Brown[_3_]
Forum: Research April 25th 19, 06:18 PM Posted to sci.astro.research
Replies: 6
Views: 1,245
Posted By Martin Brown[_3_]
EHT Picture of the black hole in M87

On 19/04/2019 22:01, Martin Brown wrote:

[snip]

I know it is bad form to reply to one's own post but here goes.

Is there any prospect of computing a somewhat larger image zoomed out by
a...
Forum: Astronomy Misc April 23rd 19, 12:30 PM Posted to sci.astro
Replies: 5
Views: 1,062
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: Research April 19th 19, 10:01 PM Posted to sci.astro.research
Replies: 6
Views: 1,245
Posted By Martin Brown[_3_]
EHT Picture of the black hole in M87

On 12/04/2019 18:03, Tom Roberts wrote:
The picture from the Event Horizon Telescope:
https://apod.nasa.gov/apod/ap190411.html

Why is the center black?
Does the accretion disk just happen...
Forum: Astronomy Misc April 18th 19, 08:27 AM Posted to sci.astro
Replies: 5
Views: 1,062
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: 1,157
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 March 21st 19, 09:40 AM Posted to sci.astro.amateur
Replies: 14
Views: 5,143
Posted By Martin Brown[_3_]
BBC: Miscarriages of justice by science-ignorant juries

On 21/03/2019 02:06, wrote:
On Wednesday, March 20, 2019 at 9:31:28 PM UTC-4, Chris L Peterson
wrote:
On Wed, 20 Mar 2019 16:45:45 -0700 (PDT),
...
Forum: Amateur Astronomy March 20th 19, 01:01 PM Posted to sci.astro.amateur
Replies: 14
Views: 5,143
Posted By Martin Brown[_3_]
BBC: Miscarriages of justice by science-ignorant juries

On 20/03/2019 11:34, wrote:
On Tuesday, March 19, 2019 at 9:46:16 PM UTC-4, RichA wrote:
The average person's knowledge of science or the processes it uses
is pitiable....
Forum: Amateur Astronomy March 13th 19, 02:49 PM Posted to sci.astro.amateur
Replies: 12
Views: 5,081
Posted By Martin Brown[_3_]
Rich field telescope?

On 13/03/2019 12:20, StarDust wrote:
On Wednesday, March 13, 2019 at 4:48:27 AM UTC-7, Martin Brown wrote:
On 13/03/2019 07:52, RichA wrote:
On Tuesday, 12 March 2019 13:42:52 UTC-4,...
Forum: Amateur Astronomy March 13th 19, 12:48 PM Posted to sci.astro.amateur
Replies: 12
Views: 5,081
Posted By Martin Brown[_3_]
Rich field telescope?

On 13/03/2019 07:52, RichA wrote:
On Tuesday, 12 March 2019 13:42:52 UTC-4, StarDust wrote:
On Tuesday, March 12, 2019 at 8:17:07 AM UTC-7, JBI wrote:
On 3/12/19 5:24 AM, StarDust...
Forum: Amateur Astronomy March 7th 19, 07:40 PM Posted to sci.astro.amateur
Replies: 31
Views: 11,939
Posted By Martin Brown[_3_]
Canada Joins Lunar Gateway

On 07/03/2019 17:49, Davoud wrote:
Chris L Peterson:
I tend to believe that the U.S. is a failed (or failing) nation... a
problem that ultimately goes back to a flawed Constitution, one...
Forum: Amateur Astronomy March 6th 19, 05:25 PM Posted to sci.astro.amateur
Replies: 31
Views: 11,939
Posted By Martin Brown[_3_]
Canada Joins Lunar Gateway

On 06/03/2019 01:04, Chris L Peterson wrote:
On Tue, 05 Mar 2019 18:10:23 -0500, Davoud wrote:

Chris L Peterson:
In the end, it probably comes down to our sense of...
Forum: Amateur Astronomy March 5th 19, 12:32 PM Posted to sci.astro.amateur
Replies: 31
Views: 11,939
Posted By Martin Brown[_3_]
Canada Joins Lunar Gateway

On 04/03/2019 21:23, Quadibloc wrote:
On Sunday, March 3, 2019 at 4:37:42 PM UTC-7, Chris L Peterson
wrote:
Wealth inequality and income inequality are, in themselves, at the
root of most...
Forum: Amateur Astronomy January 23rd 19, 05:47 PM Posted to sci.astro.amateur
Replies: 4
Views: 1,696
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, 11:11 AM Posted to sci.astro.amateur
Replies: 3
Views: 1,588
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, 10:13 AM Posted to sci.astro.amateur
Replies: 6
Views: 1,416
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, 07:08 PM Posted to sci.astro.amateur
Replies: 6
Views: 1,416
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, 08:26 PM Posted to sci.astro.amateur
Replies: 43
Views: 2,516
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, 02:10 PM Posted to sci.astro.amateur
Replies: 43
Views: 2,516
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, 12:50 PM Posted to sci.astro.amateur
Replies: 43
Views: 2,516
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, 10:20 AM Posted to sci.astro.amateur
Replies: 6
Views: 1,051
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, 11:31 PM Posted to sci.astro
Replies: 21
Views: 1,387
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, 10:12 AM Posted to sci.astro.amateur
Replies: 4
Views: 1,062
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, 03:06 PM Posted to sci.astro.amateur
Replies: 4
Views: 1,398
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, 11:57 PM Posted to sci.astro.amateur
Replies: 59
Views: 3,051
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, 10:51 PM Posted to sci.astro
Replies: 5
Views: 928
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?

...
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