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Home
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Back Issues
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April 2018

April 2018

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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

Dark matter's shadowy effect on Earth

by Michael R. Rampino

Earth’s periodic passage through the galaxy’s disk could initiate a series of events that ultimately lead to geological cataclysms and mass extinctions.

Sharing the skies above Chile

by Alison Klesman

The Astronomy in Chile Educator Ambassadors Program explores the unique collaboration forged by U.S. astronomy observatories in Chile.

How supernovae have affected life

by Adrian L. Melott

A nearby exploding star may affect Earth in ways we’re just now beginning to understand.

Secrets of nightscape photography

by Steve Cullen

Get started on this wonderfully challenging marriage of artistic vision, nocturnal exploration, and technical sophistication.

The story of PlaneWave

by Tony Hallas

This innovative company isn’t just about optics — the key is its people.

Spring's best & brightest galaxies

by Phil Harrington

Galaxies in and around Virgo offer a telescopic delight for deep-sky fans.

Binoculars made for the night sky

by Raymond Shubinski

These 10x70 binoculars offer high-quality glass, rugged construction, and great low-light performance.

Columns

Is radiation beneficial?

by Bob Berman

Great Deceiverism 101

by Jeff Hester

The Leo Trio plus one

by Phil Harrington

See the daytime lunar crescent

by Stephen James O'Meara

Entice the masses

by Glenn Chaple

Departments

Sky this Month

Mars and Saturn rendezvous

StarDome and Path of the Planets

Ask Astro

Planet or Moon

Volcanos on Io

Temperature of Venus

Supernova of 1572

In Every Issue

Snapshot
Letters
New Products
Reader Gallery

Breakthrough
Astro News
Advertiser Index

ThisWeekinAstronomy3

Observe the Virgo Cluster of galaxies: This Week in Astronomy with Dave Eicher

EHTblackholeimage

Next generation Event Horizon Telescope aims to get videos of black holes

Messier 78

The Sky This Week: It’s Messier marathon time!

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EarthriseontheMoon

The biggest space missions to look out for in 2023

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Sun-like star ruled out as source of mysterious WOW! signal

2019totalsolareclipse

25 tips for the 2024 total solar eclipse

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Coming Soon: More travel opportunities with Astronomy

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