Parks Optical's Astrolight AZ6 and AZ8 Newtonian reflector telescopes utilize a 6-inch f/6 and 8-inch f/6 optical design, respectively, featuring American-made Pyrex mirrors. Both models are mounted ...
There’s a magnificent constellation of spacecraft in orbit around Earth right now, many sending useful data back down to the surface in the clear, ready to be exploited. Trouble is, it often takes ...
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