THE Yerkes Observatory, which has recently been completed and inaugurated, contains in its instrumental equipment the largest refractor in the world, the diameter of the object-glass spanning 40 ...

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 ...

As smartphone cameras improve, more people want to take photographs of the night sky with their smartphones. However, serious astrophotographers attach powerful, digital single-lens reflex (DSLR) ...

The Celestron Omni XLT 120 is made for the seasoned skywatcher, who is looking for that sought-after combination of high-quality build and superb views of the solar system and lunar surface. While a ...

The Celestron Astromaster 102AZ might seem like the ideal compromise for a beginner's telescope, but being okay at everything means it doesn't really stand out for any particular subject. Why you can ...

Looking Up is transcribed using a combination of AI speech recognition and human editors. It may contain errors. Please check the corresponding audio before quoting in print. Dean Regas: Edwin Hubble ...