He could probably do so from Jupiter, but a lens with a 500 km focal length might be out of his budget.
On December 14, 2018 11:13:55 AM PST, John <jsessoms...@nc.rr.com> wrote: >I wonder how high up in the nosebleed seats you'd have to be so that >you're >enough light-years away from the stage to catch the singer still at the >microphone? > >On 12/14/2018 04:14:25, Jostein wrote: >> Interesting. >> >> Come to think of it, I have frequently photographed the place in >space where the >> Andromeda galaxy was two million years ago. :-) >> >> Jostein >> >> Den 14.12.2018 00:49, skrev Dale H. Cook: >>> At 03:25 PM 12/13/2018, Alex Sarbu wrote: >>> >>>> I'm able to photograph the place where the concert was. >>> That reminds me of a NatGeo program about Area 51 (Groom Lake). When >the >>> Lockheed A-12 spy plane was in development for the CIA Radar Cross >Section >>> (RCS) testing was going on at the base. A mockup was mounted on a >pylon for >>> the tests. Because the Soviets already has some spy satellites and >the CIA >>> didn't want the Soviets to see the mockup they removed the it from >the pylon >>> when a Soviet satellite was due to pass overhead. At first the CIA >didn't >>> realize was that the Soviet satellites could do infrared imaging. >The shadow >>> of the mockup was cooler than the surrounding ground. The Soviets >were able to >>> discern the mockup's outline from the infrared image of the shadow. >Once the >>> CIA learned that the Soviets had an outline of the mockup they >figured out how >>> it was obtained and then instituted thermal counter measures. >>> >>> The Soviet photographs showed the place where the mockup was. >>> >>> Dale H. Cook, many years as 35mm SLR photographer, >>> now Pentax K-70 w/ Pentax-DA 18-270mm walking- >>> around lens or SMC Pentax-A 50mm/f2 lens >>> >>> >> > > >-- >Science - Questions we may never find answers for. >Religion - Answers we must never question. > >-- >PDML Pentax-Discuss Mail List >PDML@pdml.net >http://pdml.net/mailman/listinfo/pdml_pdml.net >to UNSUBSCRIBE from the PDML, please visit the link directly above and >follow the directions. -- Sent from my Android device with K-9 Mail. Please excuse my brevity. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
