The Ring Nebula (M57)'s central star, a challenging observational target, was first noted around 1795 by Friedrich von Hahn using a 12-inch reflector, despite being missed by other observers with ...
Fifteen bucks. That’s how much I paid for my first telescope, which I bought secondhand from a high school friend back in 1965. It was an Edmund Scientific Space Conqueror — a Newtonian reflector ...
TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...
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