The subject of space exploration has been one of the most enigmatic and interesting topics of all time. When taught about ...

Building a better refractor The spyglass-turned-telescope had limitations, some of which Galileo was able to design around ... a regular curvature, so the reflector remained largely a curiosity ...

For the first eight years of its life, the 24-inch was the sole telescope at SBO, and was kept busy seven ... the long-and-narrow refractor and its replacement short-and-fat reflector. In order to ...

Reflectors utilize at least two mirrors ... it was done so by experimenting with putting lenses together. Today, a telescope's optical design involves complex computer modelling and large amounts ...

Thankfully, there are lots of entry-level telescopes on the market ... His instrument is a Celestron NexStar, a Schmidt-Cassegrain reflector with a 150-mm aperture, has a motorized altitude ...

When I was in grade school I was fascinated by the world’s largest telescope: the 200-inch-diameter Hale Reflector on Palomar Mountain near San Diego. What a behemoth! At the time I enjoyed ...

For the first time, a flat telescope lens has been produced that ... universe – now adopt Newton’s method of curving mirrors ...

sending the platform on a graceful swing into the side of the natural depression that cradled the reflector, damaging the telescope beyond all hope of repair. The long run-up to the telescope’s ...

Its design and construction ... in global cosmic ray research. The telescope measures 21 metres in diameter, weighs 175 tonnes, and features a reflector area of 356 square metres made up of ...