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Search: Posts made by: RichA[_6_]
Forum: Amateur Astronomy March 24th 19, 06:46 PM Posted to sci.astro.amateur
Replies: 8
Views: 1,299
Posted By RichA[_6_]
Venus probes. Even really possible?

On Sunday, 24 March 2019 02:11:28 UTC-4, Ninapenda Jibini wrote:
RichA wrote in
:

If they intend to do...
Forum: Amateur Astronomy March 24th 19, 06:45 PM Posted to sci.astro.amateur
Replies: 8
Views: 1,299
Posted By RichA[_6_]
Venus probes. Even really possible?

On Saturday, 23 March 2019 21:05:57 UTC-4, Chris L Peterson wrote:
On Sat, 23 Mar 2019 17:54:57 -0700 (PDT), RichA
wrote:

On Saturday, 23 March 2019 12:33:18 UTC-4,...
Forum: Amateur Astronomy March 24th 19, 01:57 AM Posted to sci.astro.amateur
Replies: 8
Views: 1,299
Posted By RichA[_6_]
Venus probes. Even really possible?

On Saturday, 23 March 2019 13:38:16 UTC-4, Vladimir Rodionov wrote:
On Sunday, March 24, 2019 at 12:33:18 AM UTC+8, Chris L Peterson wrote:
On Sat, 23 Mar 2019 09:23:10 -0700 (PDT), RichA...
Forum: Amateur Astronomy March 24th 19, 01:54 AM Posted to sci.astro.amateur
Replies: 8
Views: 1,299
Posted By RichA[_6_]
Venus probes. Even really possible?

On Saturday, 23 March 2019 12:33:18 UTC-4, Chris L Peterson wrote:
On Sat, 23 Mar 2019 09:23:10 -0700 (PDT), RichA
wrote:

If they intend to do seismology, they'll...
Forum: Amateur Astronomy March 23rd 19, 05:25 PM Posted to sci.astro.amateur
Replies: 2
Views: 421
Posted By RichA[_6_]
Very nice review and write up about....

On Sunday, 17 March 2019 18:12:14 UTC-4, StarDust wrote:
Celestron Ultima 2000

...
Forum: Amateur Astronomy March 23rd 19, 05:23 PM Posted to sci.astro.amateur
Replies: 8
Views: 1,299
Posted By RichA[_6_]
Venus probes. Even really possible?

If they intend to do seismology, they'll need a probe that can do it and withstand the conditions on the planet for a period of time. Is it even possible? Wouldn't another basic observational probe...
Forum: Amateur Astronomy March 23rd 19, 12:41 AM Posted to sci.astro.amateur
Replies: 5
Views: 355
Posted By RichA[_6_]
Jupiter: Spectacular picture of Jupiter's storms

On Friday, 22 March 2019 11:09:16 UTC-4, Chris L Peterson wrote:
On Fri, 22 Mar 2019 07:30:36 -0700 (PDT), RichA
wrote:

On Friday, 22 March 2019 06:47:10 UTC-4,...
Forum: Amateur Astronomy March 22nd 19, 03:30 PM Posted to sci.astro.amateur
Replies: 5
Views: 355
Posted By RichA[_6_]
Jupiter: Spectacular picture of Jupiter's storms

On Friday, 22 March 2019 06:47:10 UTC-4, StarDust wrote:
https://www.bbc.com/news/science-environment-47667729

This beautiful picture of Jupiter was assembled from three separate images...
Forum: Amateur Astronomy March 21st 19, 11:45 PM Posted to sci.astro.amateur
Replies: 0
Views: 340
Posted By RichA[_6_]
Asteroid/comet probes. Any real point in them?

Can't they get most of what they need from spectroscopy? I guess you could see the landings as proving equipment, or as test-beds, cheaper than real planetary probes.
Forum: Amateur Astronomy March 21st 19, 11:44 PM Posted to sci.astro.amateur
Replies: 14
Views: 552
Posted By RichA[_6_]
BBC: Miscarriages of justice by science-ignorant juries

On Wednesday, 20 March 2019 07:34:32 UTC-4, 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...
Forum: Amateur Astronomy March 20th 19, 02:46 AM Posted to sci.astro.amateur
Replies: 14
Views: 552
Posted By RichA[_6_]
BBC: Miscarriages of justice by science-ignorant juries

The average person's knowledge of science or the processes it uses is pitiable. People cry about the innocent being convicted, they even make TV shows about people who try to help them. But what...
Forum: Amateur Astronomy March 14th 19, 11:55 PM Posted to sci.astro.amateur
Replies: 6
Views: 315
Posted By RichA[_6_]
In-camera sky tracking without an equatorial mount

On Thursday, 14 March 2019 09:40:09 UTC-4, Chris L Peterson wrote:
On Wed, 13 Mar 2019 18:15:40 -0700 (PDT), RichA
wrote:

Pentax has this feature in some of their...
Forum: Amateur Astronomy March 14th 19, 02:53 PM Posted to sci.astro.amateur
Replies: 12
Views: 540
Posted By RichA[_6_]
Rich field telescope?

On Wednesday, 13 March 2019 22:47:56 UTC-4, StarDust wrote:
On Wednesday, March 13, 2019 at 3:43:19 PM UTC-7, RichA wrote:
On Wednesday, 13 March 2019 06:02:28 UTC-4, StarDust wrote:
On...
Forum: Amateur Astronomy March 14th 19, 06:28 AM Posted to sci.astro.amateur
Replies: 6
Views: 315
Posted By RichA[_6_]
In-camera sky tracking without an equatorial mount

On Wednesday, 13 March 2019 23:12:07 UTC-4, StarDust wrote:
On Wednesday, March 13, 2019 at 6:15:44 PM UTC-7, RichA wrote:
Pentax has this feature in some of their DSLRs. The sensor utilizes...
Forum: Amateur Astronomy March 14th 19, 02:15 AM Posted to sci.astro.amateur
Replies: 6
Views: 315
Posted By RichA[_6_]
In-camera sky tracking without an equatorial mount

Pentax has this feature in some of their DSLRs. The sensor utilizes it's IBIS (internal vibration stabilization) mode of the sensor, but the motion tracks the sky. So, all you have to do is put the...
Forum: Amateur Astronomy March 13th 19, 11:43 PM Posted to sci.astro.amateur
Replies: 12
Views: 540
Posted By RichA[_6_]
Rich field telescope?

On Wednesday, 13 March 2019 06:02:28 UTC-4, StarDust wrote:
On Wednesday, March 13, 2019 at 12:53:02 AM UTC-7, RichA wrote:
On Tuesday, 12 March 2019 13:42:52 UTC-4, StarDust wrote:
On...
Forum: Amateur Astronomy March 13th 19, 08:52 AM Posted to sci.astro.amateur
Replies: 12
Views: 540
Posted By RichA[_6_]
Rich field telescope?

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 wrote:
On Tuesday, March 12, 2019 at...
Forum: Amateur Astronomy March 9th 19, 02:22 AM Posted to sci.astro.amateur
Replies: 9
Views: 321
Posted By RichA[_6_]
NASA never expected to have to re-position its drilling probe?

On Thursday, 7 March 2019 17:49:50 UTC-5, Davoud wrote:
RichA:
Ever dig in soil and hit a rock? Seems NASA didn't expect it. Pretty
stupid.

Chris L Peterson:
First of all,...
Forum: Amateur Astronomy March 7th 19, 01:59 AM Posted to sci.astro.amateur
Replies: 9
Views: 321
Posted By RichA[_6_]
NASA never expected to have to re-position its drilling probe?

Ever dig in soil and hit a rock? Seems NASA didn't expect it. Pretty stupid.

https://www.bbc.com/news/science-environment-47469071
Forum: Amateur Astronomy March 3rd 19, 12:30 AM Posted to sci.astro.amateur
Replies: 3
Views: 84
Posted By RichA[_6_]
Want to watch a mannequin blow up?

On Saturday, 2 March 2019 01:21:39 UTC-8, Gerald Kelleher wrote:
On Saturday, March 2, 2019 at 4:17:25 AM UTC, RichA wrote:
https://www.bbc.com/news/science-environment-47414390

I see you...
Forum: Amateur Astronomy March 2nd 19, 05:17 AM Posted to sci.astro.amateur
Replies: 3
Views: 84
Posted By RichA[_6_]
Want to watch a mannequin blow up?

https://www.bbc.com/news/science-environment-47414390
Forum: Amateur Astronomy February 22nd 19, 05:42 AM Posted to sci.astro.amateur
Replies: 2
Views: 2,757
Posted By RichA[_6_]
Japanese probe story on BBC: Panspermia again...

Yes, they wonder if they'll find evidence that asteroids provided the basic components of life and/or water. Why is it so hard to believe it was already ON Earth??
Forum: Amateur Astronomy February 15th 19, 11:33 PM Posted to sci.astro.amateur
Replies: 13
Views: 1,724
Posted By RichA[_6_]
Anyone know what these sensors are?

Visible as in in the image whether viewed on screen or printed. No one cares about the verbiage and the larger each pixel, the lower the visible noise at higher ISO. This is why Sony release a 12mp...
Forum: Amateur Astronomy February 15th 19, 03:14 PM Posted to sci.astro.amateur
Replies: 13
Views: 1,724
Posted By RichA[_6_]
Anyone know what these sensors are?

On Thursday, 14 February 2019 09:45:31 UTC-5, Chris L Peterson wrote:
On Wed, 13 Feb 2019 18:25:20 -0800 (PST), RichA
wrote:

Theory goes back to film, less...
Forum: Amateur Astronomy February 15th 19, 03:11 PM Posted to sci.astro.amateur
Replies: 37
Views: 2,409
Posted By RichA[_6_]
NASA's SLS rocket. Questions about it

On Friday, 15 February 2019 06:13:39 UTC-5, wrote:
On Friday, February 15, 2019 at 1:20:03 AM UTC-5, RichA wrote:
The SLS is the next giant rocket that will be used for...
Showing results 1 to 25 of 500

 
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