I hope this isn’t true.John Dobson – inventer of the dobsonian telescope mount has passed – according to en.wikipedia.org/wiki/John_Dobs…
I hope this isn’t true.John Dobson – inventer of the dobsonian telescope mount has passed – according to en.wikipedia.org/wiki/John_Dobs…
RT @Nightskyonline: I hope this isn’t true.John Dobson – inventer of the dobsonian telescope mount has passed – according to http://t.co/W…
RT @Nightskyonline: I hope this isn’t true.John Dobson – inventer of the dobsonian telescope mount has passed – according to http://t.co/W…
RT @Nightskyonline: I hope this isn’t true.John Dobson – inventer of the dobsonian telescope mount has passed – according to http://t.co/W…