Astronomy Today

Telescope Basics

What kinds of measurements do astronomers make with telescopes?

Astronomers take lots of carefully planned pictures, with telescopes, using a wide variety of telescopes and detectors. These images can then be used to conduct numerous measurements. Aside from examining the images themselves and looking at the shapes and sizes of objects in the universe, some of the most common types of more sophisticated analytical methods include astrometry, photometry, spectroscopy, and interferometry.


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