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  #11  
Old 08-20-2018, 01:48 AM
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Quote:
Originally Posted by blackshire
I know--that famous night shot of Pioneer 1 on the pad shortly before launch is iconic. Pioneer 0 was launched during the day, and Pioneer 2 also went at night (see: http://commons.wikimedia.org/wiki/F...I_Pioneer_2.png ). After it "fizzled," the U.S. Army and NASA got two additional tries, using Juno II rockets and the much smaller, conical JPL lunar flyby Pioneer spacecraft, on December 6, 1958 and March 3, 1959 (see: http://www.google.com/search?q=Pion...iw=1440&bih=794 ), and:

They had originally been intended to make figure-8 loops behind the Moon to photograph the far side, radioing back the pictures when near the Earth again. A film camera/developer/"flying spot of light" picture scanner was developed for these Pioneers, but when Pioneer 1's radiation data showed that radiation shielding for the film would be too heavy (the tiny ~13 pound probes were all the Juno II could boost to the Moon!), JPL started developing a spin-scan TV camera, but it wasn't ready in time. (The deployable "wizard's cap" conical low-gain antennas on the Ranger 3, 4, and 5 probes [the Block II series that carried the hard-landing seismometer capsules] were re-purposed Pioneer 3/4 rod-and-cone, off-center-fed dipole antennas.) As well:

Pioneer 3 suffered a fate similar to Pioneer 1, rising about 63,000 miles before falling back to Earth after the stretched Jupiter first stage cut off slightly early, returning more radiation data. Pioneer 4 achieved escape velocity, returning radiation data out to 407,000 miles after passing about 37,000 miles from the Moon. Between the Pioneer 3 and 4 launches, the Soviet Union's Luna 1--an intended lunar impact probe--had been launched on January 2, 1959, and had missed the Moon by 3,725 miles (see: http://en.wikipedia.org/wiki/Luna_1 ) before entering solar orbit, making Pioneer 4 an "also ran."


It's amazing to think of the things they did with the technology they had in the fifties. There is so much the younger generations take for granted today that engineers of that time would have given, well would have given all they had to get it. Can you imagine what they would have done with a Go-Pro and the digital visualizing of it's images?
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  #12  
Old 08-20-2018, 10:28 AM
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Quote:
Originally Posted by bernomatic
It's amazing to think of the things they did with the technology they had in the fifties. There is so much the younger generations take for granted today that engineers of that time would have given, well would have given all they had to get it. Can you imagine what they would have done with a Go-Pro and the digital visualizing of it's images?


Well, the first images of the "dark" side of the moon would have looked a lot better than this!
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  #13  
Old 08-20-2018, 11:46 AM
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And here I always thought the Dark Side of the Moon looked like this!
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  #14  
Old 08-20-2018, 02:46 PM
Don Altschwager Don Altschwager is offline
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Groan.......
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  #15  
Old 08-20-2018, 07:16 PM
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And here I always thought the Dark Side of the Moon looked like this!

That's what it looks like in "high" resolution.
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Old 08-21-2018, 01:04 AM
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REALLY "High" resolution....
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  #17  
Old 08-22-2018, 04:54 PM
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A friend of mine works for a railway company in the UK, whose ^new^ equipment--which was long in development--runs on Windows XP. He writes his own software, and switched back to Windows 7 after trying Windows 10. The planned 2020 cessation of Windows 7 support may not occur, due to the widespread rejection of Windows 10 (it's not that Windows 10 doesn't work, but that it takes more keystrokes and screens to do the same things that 7 already does--radio stations and video production facilities hate 10 for that reason). In any event, I used Commodore software and Windows 98 and XP for years after support for them ended. I know nothing about Linux other than its name, and if my computer shop isn't familiar with it, I would be leery of switching to it.
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  #18  
Old 08-22-2018, 05:07 PM
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Quote:
Originally Posted by ghrocketman
REALLY "High" resolution....
Yes--when reproduced at the lower, intended resolution, the Luna 3 photographs were scientifically usable, although the resolution led to the mistaken identification of the Soviet Mountains, which better Zond and Lunar Orbiter farside pictures showed weren't mountains at all, but a light-colored linear area. The Pioneer 0/1/3 infrared spin-scan TV camera and the (un-flown) Pioneer 3/4 visible-light spin scan television camera, had either reached the Moon or been flown, would likely have produced better pictures. Also:

Explorer 6 (see: http://en.wikipedia.org/wiki/Explorer_6 ) carried a spin-scan TV camera rather like the Pioneer 0/1/2 device, but its Earth pictures were hard to re-construct because the less-rigid satellite, with four solar paddles on outrigger struts, wobbled; the biconical, battery-powered Pioneer 0 - 2 spacecraft were much more rigid, had better mass distribution (like a top) and had more stable spin axes. Pioneer 3 and 4 also had stable spin axes, having nearly all of their mass--including their numerous mercury batteries--concentrated in the short, wide cylindrical section at the base of the hollow, conical, gold-washed fiberglass off-center-fed vertical dipole (cone-rod) antenna.
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  #19  
Old 08-22-2018, 05:52 PM
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Quote:
Originally Posted by blackshire
but that it takes more keystrokes and screens to do the same things that 7 already does--radio stations and video production facilities hate 10 for that reason).

Not only that, but it subversively mines info and wants to sync everything. Between Win 10 and Google, they will try to link, sync mine and share/sell everything they can get from your computer.

BTW, with a little work you can make Win10 behave similarly to Win7. Using a 3rd party "Classic Shell" gets the ball rolling, along with a few internal changes like kicking Cortana's butt to the curb. You can go as far as setting up start screens, wallpapers, etc. if you really want it to look like a generic Win7, but the big thing is killing off all those tiles, Cortana and setting up the classic shell. Doing these things has my laptop looking and acting enough like Win7 that other people don't realize I'm running Win10.

While I use Linux at home, I do have a laptop with the moderately hated Win10, which is wonderful compared to the vile putrid Win8 that it came with. I use Win10 only because I use the laptop to hook into various smart boards, projectors, etc. at schools and fire stations, and it's just easier to quickly make those things play nicely together with Win10 than Linux. Our school system still uses Win7 exclusively for faculty and computer labs, and Chrome OS for our students' cheaply made and easily demolished chromebooks.
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  #20  
Old 08-22-2018, 10:56 PM
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Quote:
Originally Posted by tbzep
Not only that, but it subversively mines info and wants to sync everything. Between Win 10 and Google, they will try to link, sync mine and share/sell everything they can get from your computer.

BTW, with a little work you can make Win10 behave similarly to Win7. Using a 3rd party "Classic Shell" gets the ball rolling, along with a few internal changes like kicking Cortana's butt to the curb. You can go as far as setting up start screens, wallpapers, etc. if you really want it to look like a generic Win7, but the big thing is killing off all those tiles, Cortana and setting up the classic shell. Doing these things has my laptop looking and acting enough like Win7 that other people don't realize I'm running Win10.

While I use Linux at home, I do have a laptop with the moderately hated Win10, which is wonderful compared to the vile putrid Win8 that it came with. I use Win10 only because I use the laptop to hook into various smart boards, projectors, etc. at schools and fire stations, and it's just easier to quickly make those things play nicely together with Win10 than Linux. Our school system still uses Win7 exclusively for faculty and computer labs, and Chrome OS for our students' cheaply made and easily demolished chromebooks.
I've been told that as well, by multiple people (about Windows 10's mining and synching proclivities--my physical therapist wants to switch her laptop back to Windows 7). Thank you for the tip about the "Classic Shell" set-up; I'll copy it and also pass it along to her.
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