That's a lot of standard candles. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. June 22 marks the 350th anniversary of the Royal Observatory ...
One would think that a US$99,000 telescope requires specialist training and a thick instruction manual. But the new Hyperia ...
McKim Observatory is an excellent example of a late 19th-century American observatory. Built in 1884, it retains much of its original equipment and remains largely untouched by modernization. Its ...
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