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amateur observing - How powerful a telescope would allow me to view the astronauts aboard ISS do a space-walk? - Astronomy Stack Exchange
![Why doesn't NASA attach the Hubble Space Telescope to the International Space Station (ISS) to service the telescope safely? Is that technically feasible? | Astronomy.com Why doesn't NASA attach the Hubble Space Telescope to the International Space Station (ISS) to service the telescope safely? Is that technically feasible? | Astronomy.com](http://astronomy.com/~/media/4F8E4839434A47B88B7F0608449595BD.jpg)
Why doesn't NASA attach the Hubble Space Telescope to the International Space Station (ISS) to service the telescope safely? Is that technically feasible? | Astronomy.com
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