Enter the Space & Beyond Box Giveaway!

Astronomy’s new quarterly subscription box features a collection of space-themed products.

october19cover

Login or Register |

Customer Service

Tonight's Sky

Sun

RISE—

SET—

Sun

Moon

—

—

PHASE—

DISK—

Mercury

RISE—

SET—

Mercury

—

Venus

—

—

Venus

—

Mars

RISE—

SET—

Mars

—

Jupiter

—

—

Jupiter

—

Saturn

—

—

Saturn

—

Tonight's Sky — Change location

City/place name

US state, Canadian province, or country

OR

US ZIP code

Searching...

Tonight's Sky — Select location

Tonight's Sky — Enter coordinates

Latitude: ° '

Longitude: ° '

UTC Offset:

Home
/
Back Issues
/
May 2019

May 2019

AstroMayCover

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

Where did Earth's water come from?

by Nola Taylor Redd

Most astronomers believe asteroids carried water to early Earth. But new research suggests it may have come from even closer to home.

The life and death of stars in Scorpius

by Phil Harrington

This constellation is packed with plenty of beautiful targets, and with this list, you can trace stellar evolution.

Hawaii's getting a stellar new observatory

by Ilima Loomis

With the arrival of the biggest solar telescope in the world, Haleakala is ready to step out of Mauna Kea’s shadow.

Galaxies in the gazelle

by Stephen James O'Meara

Early stargazers named this intriguing region spotted with galaxies after a familiar land mammal. It holds telescopic treats!

How to collimate your scope

by Tom Trusock

Getting the most from your time under the sky starts with aligning the optics.

Testing great big binoculars

by Raymond Shubinski

Top-notch optics, interchangeable eyepieces, and two 4-inch lenses make Oberwerk’s BT-100XL-ED Binocular Telescope one to view through.

Columns

'Oumuamua: Still a mystery

by Bob Berman

Observe the Sombrero galaxy

by Phil Harrington

Who actually repaired Hubble?

by Jeff Hester

What's that odd meteor?

by Stephen James O'Meara

Spot the ring that hides in the Little Dipper

by Glenn Chaple

Departments

Sky this Month

The Moon buzzes the Beehive

StarDome and Path of the Planets

Ask Astro

Galaxies collide

Black holes losing mass

Stellar siblings

In Every Issue

Snapshot
Letters
New Products
Reader Gallery

Breakthrough
Astro News
Advertiser Index

asteroidcollision

Colliding asteroids may have caused an ancient ice age

1200pxPIA22081KIC8462852TabbysStarUnevenDustRingIllustration20171004

Shredded exomoon may explain weird behavior of Tabby’s Star

conceptgateway2024_full_00010_bus

NASA CubeSat will test lunar space station orbit

POPULAR

three_exoplanet_system

3 Earth-sized exoplanets found just 12 light-years away

Galactic_Creatures_at_Play

Hubble captures dance of two merging galaxies

FullMoon

Why do we still believe in 'lunacy' during a Full Moon?

Tahiti

Cruise to totality in the South Pacific with Astronomy in 2020!

FREE EMAIL NEWSLETTER

Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.

Sign up

Follow us:

THE MAGAZINE

october19cover

Table of Contents
Subscribe
Digital Editons

RCLP_ASY_0301_mediumrectangle

Click here to download a FREE astrophotography PDF curated by Astronomy magazine.

Find us on Facebook

Astronomy Magazine