Add Yahoo as a preferred source to see more of our stories on Google. Best smart telescope Telescopes are specialist optical instruments that have been around for over 400 years and are useful for ...

Buying a telescope, like buying a car or stereo equipment, is subject to your tastes as a consumer. In other words, the choice is up to you — but Astronomy can provide some guidelines to make your ...

If this is the easy part of making a complete reflector telescope from a single piece of glass, we can’t wait to get a load of the hard part! A little backstory may be in order for those who don’t ...

Holiday shopping season has really kicked into gear, and if you have a stargazing fan on your gift list, you have a lot of choices. I think the best thing to do is buy online from one of the major ...

I'm often asked to recommend a telescope, especially around the holidays, when gift-giving is on our minds. Today I'll share a few suggestions, but before we talk specifics, let's look at the ...

Over the many years I’ve been writing this column, as well as putting on inside and outside astronomy and stargazing presentations, I’ve gotten inquiries from lots of nice folks about purchasing a ...

In this paper, a Ku-band corrugated feed horn antenna for a Cassegrain reflector is designed and optimized. The horn dimension parameters are optimized so that it has a radiation pattern with a ...

THE reflecting telescope possesses one obvious advantage over the refractor, in that the position of the focus is independent of the colour of the light used. But as an offset to this all types of ...