When we were kids, it was a rite of passage to read the newly arrived Edmund catalog and dream of building our own telescope. One of our friends lived near a University, and they even had a summer ...
Translation of: La construction du télescope d'amateur. Newtonian telescopes--Design and construction--Amateurs' manuals Cassegrainian telescopes--Design and construction--Amateurs' manuals ...
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How do you build a moon? The James Webb Space Telescope has just given us our best look
The JWST has studied the chemical composition of a moon-forming disk circling a giant planet 625 light-years away.
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