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 ...

This review, “Celestron’s Advanced Series Telescopes,” appeared in the August 2004 issue of Astronomy magazine. The first go-to telescopes, introduced a decade ago, had one thing in common: they were ...

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 ...

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 ...

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 ...

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 ...

Over the years of writing this column and putting on astronomy and stargazing presentations, I’ve received inquiries from many nice folks about purchasing a telescope for themselves or that special ...