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May 2020

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The world's best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each monthly issue includes expert science reporting, vivid color photography, complete sky coverage, spot-on observing tips, informative telescope reviews, and much more! All this in an easy-to-understand, user-friendly style that's perfect for astronomers at any level.

Features

Is the Big Bang in crisis?

Stubborn problems with dark matter, dark energy, and cosmic expansion have some astronomers rethinking what we know about the early universe

V.M. Slipher’s expanding universe

The Lowell Observatory astronomer’s revolutionary findings include the expansion of the universe and the discovery of the interstellar medium.

Cosmic clouds 3D

A glimpse behind the dusty veil of nebulae reveals the chemistry of the universe.

Charting the 19th-century heavens

Schools and colleges throughout America regarded The Geography of the Heavens as a valuable tool for teaching astronomy

Target edge-on and face-on galaxies

Hunting pins and needles in the deep sky will give your observing some pizzazz.

We test Canon’s new astrocamera

With 30 megapixels of resolution, a full-frame sensor, and a mirrorless body, the EOS Ra camera can help you reveal the night sky in all its glory.

Columns

berman

Observatory odds and ends

ChapleGlenn

Explore Markarian's Chain

Hester_Jeff

Rekindling dreams

Harrington

Curve to Corvus and beyond

Departments

Ask Astro

Could Sirius B go supernova if Sirius A does?

Sky this Month

Venus meets Mercury

StarDome and Path of the Planets

In Every Issue

Breakthrough
Astro News
Advertiser Index
Letters
New Products
Reader Gallery
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ObservingforBeginners_MedRec
Observing the night sky is a fun and easy activity that anyone can do, but getting started can be daunting for beginners.
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