November 2016: Cosmic rays

This month's issue of Astronomy covers Bob Berman's guide to cosmic rays, the exoplanet next door, sizing up space rocks, linking galaxies and black holes, the top three astronomy companies of California, and how to measure brightness.
By | Published: December 20, 2016 | Last updated on May 18, 2023
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Astronomy offers you the most exciting, visually stunning, thorough, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky-event coverage, spot-on observing tips, informative equipment reviews, and more. All of this comes in an easy-to-understand user-friendly style that’s perfect for astronomers at any level. Contact Astronomy, the world’s best-selling astronomy magazine, at 262.796.8776 or email