Nasa picture of Moscow
http://www.nasa.gov/images/content/637319main_iss030e185327_full.jpg
Amazing. -- Sandman[.net] |
Nasa picture of Moscow
On 8/11/2013 4:27 PM, Sandman wrote:
http://www.nasa.gov/images/content/637319main_iss030e185327_full.jpg Amazing. Shows how little I knew of Moscow! I had never realized that were main roads radiating from the center. You don't get that impression from Google Earth. -- Jim Silverton (Potomac, MD) Extraneous "not." in Reply To. |
Nasa picture of Moscow
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Nasa picture of Moscow
On Sun, 11 Aug 2013 17:07:57 -0700 (PDT), RichA wrote:
: On Sunday, August 11, 2013 4:27:55 PM UTC-4, Sandman wrote: : http://www.nasa.gov/images/content/637319main_iss030e185327_full.jpg : : : : Amazing. : : : : -- : : Sandman[.net] : : Light pollution! Sure, but Russia has a lot of empty space in which to site observatories. And though Moscow looks pretty bright, the surrounding area doesn't look bad. Compare it to, say, the Northeast Corridor or Hong Kong or Shanghai. Bob |
Nasa picture of Moscow
On 8/11/2013 8:07 PM, RichA wrote:
On Sunday, August 11, 2013 4:27:55 PM UTC-4, Sandman wrote: http://www.nasa.gov/images/content/637319main_iss030e185327_full.jpg Amazing. -- Sandman[.net] Light pollution! Thank should make you happy. China has heavy pollution. -- PeterN |
Nasa picture of Moscow
On 8/11/2013 9:55 PM, Robert Coe wrote:
On Sun, 11 Aug 2013 17:07:57 -0700 (PDT), RichA wrote: : On Sunday, August 11, 2013 4:27:55 PM UTC-4, Sandman wrote: : http://www.nasa.gov/images/content/637319main_iss030e185327_full.jpg : : : : Amazing. : : : : -- : : Sandman[.net] : : Light pollution! Sure, but Russia has a lot of empty space in which to site observatories. And though Moscow looks pretty bright, the surrounding area doesn't look bad. Compare it to, say, the Northeast Corridor or Hong Kong or Shanghai. From the air, the Northeast Corridor looks almost like one giant city. -- PeterN |
Nasa picture of Moscow
On Mon, 12 Aug 2013 07:10:38 -0400, PeterN
wrote: On 8/11/2013 9:55 PM, Robert Coe wrote: On Sun, 11 Aug 2013 17:07:57 -0700 (PDT), RichA wrote: : On Sunday, August 11, 2013 4:27:55 PM UTC-4, Sandman wrote: : http://www.nasa.gov/images/content/637319main_iss030e185327_full.jpg : : : : Amazing. : : : : -- : : Sandman[.net] : : Light pollution! Sure, but Russia has a lot of empty space in which to site observatories. And though Moscow looks pretty bright, the surrounding area doesn't look bad. Compare it to, say, the Northeast Corridor or Hong Kong or Shanghai. From the air, the Northeast Corridor looks almost like one giant city. Looks that way when driving through it, as well. Truly a megalopolis. |
Nasa picture of Moscow
On 2013-08-12 20:14:27 -0700, RichA said:
On Monday, August 12, 2013 7:10:38 AM UTC-4, PeterN wrote: On 8/11/2013 9:55 PM, Robert Coe wrote: On Sun, 11 Aug 2013 17:07:57 -0700 (PDT), RichA wrote: : On Sunday, August 11, 2013 4:27:55 PM UTC-4, Sandman wrote: : http://www.nasa.gov/images/content/637319main_iss030e185327_full.jpg : Amazing. : Light pollution! Sure, but Russia has a lot of empty space in which to site observatories. And though Moscow looks pretty bright, the surrounding area doesn't look bad. Compare it to, say, the Northeast Corridor or Hong Kong or Shanghai. From the air, the Northeast Corridor looks almost like one giant city. The more advanced the country, the greater the light pollution. Africa is virtually devoid of it. I do amateur astronomy, so I dislike it, though if you are doing imaging, it's not as bad as when there was only film. Well if you travel to a developed African country with a long history astronomy such as South Africa you might learn otherwise. The South African Astronomical Observatory was established in 1820 by the British Admiralty, much as Greenwich, for navigation and time setting purposes. Before that individuals such as Sir John Herschel travelled to the Cape to make Southern Hemisphere observations. The "Royal Observatory" was built and lent its name to the Cape Town suburb of Observatory. In the 1970's light pollution around the Cape Town metropolitan area was so severe they moved the primary observation center to the high semi-desert area of the Karoo about 150 miles from Cape Town to establish a field station near the small town of Sutherland. The night sky at Sutherland: http://www.saao.ac.za/wp-content/upl...5/milkyway.jpg There you will find among others, the 74''/1.9M Radcliffe telescope, moved from Pretoria. Now they have built the South African Large Telescope (SALT) which is a giant mirror array with an 11 M diameter making it the largest optical telescope in the Southern Hemisphere. http://www.salt.ac.za/ -- Regards, Savageduck |
Nasa picture of Moscow
On 8/12/13 11:06 PM, in article 2013081221065140194-savageduck1@REMOVESPAMmecom, "Savageduck" wrote: On 2013-08-12 20:14:27 -0700, RichA said: On Monday, August 12, 2013 7:10:38 AM UTC-4, PeterN wrote: On 8/11/2013 9:55 PM, Robert Coe wrote: On Sun, 11 Aug 2013 17:07:57 -0700 (PDT), RichA wrote: : On Sunday, August 11, 2013 4:27:55 PM UTC-4, Sandman wrote: : http://www.nasa.gov/images/content/637319main_iss030e185327_full.jpg : Amazing. : Light pollution! Sure, but Russia has a lot of empty space in which to site observatories. And though Moscow looks pretty bright, the surrounding area doesn't look bad. Compare it to, say, the Northeast Corridor or Hong Kong or Shanghai. From the air, the Northeast Corridor looks almost like one giant city. The more advanced the country, the greater the light pollution. Africa is virtually devoid of it. I do amateur astronomy, so I dislike it, though if you are doing imaging, it's not as bad as when there was only film. Well if you travel to a developed African country with a long history astronomy such as South Africa you might learn otherwise. The South African Astronomical Observatory was established in 1820 by the British Admiralty, much as Greenwich, for navigation and time setting purposes. Before that individuals such as Sir John Herschel travelled to the Cape to make Southern Hemisphere observations. The "Royal Observatory" was built and lent its name to the Cape Town suburb of Observatory. In the 1970's light pollution around the Cape Town metropolitan area was so severe they moved the primary observation center to the high semi-desert area of the Karoo about 150 miles from Cape Town to establish a field station near the small town of Sutherland. The night sky at Sutherland: http://www.saao.ac.za/wp-content/upl...5/milkyway.jpg There you will find among others, the 74''/1.9M Radcliffe telescope, moved from Pretoria. Now they have built the South African Large Telescope (SALT) which is a giant mirror array with an 11 M diameter making it the largest optical telescope in the Southern Hemisphere. http://www.salt.ac.za/ Until 2018, then it will be the Giant Magellan Telescope in Chile... http://www.science.tamu.edu/articles/806/ http://simple.wikipedia.org/wiki/Giant_Magellan_Telescope |
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