Sky & Telescope - July 2019 - 2

CONTENTS

THE ESSENTIAL GUIDE TO ASTRONOMY

July 2019

VOL. 138, NO. 1

FEATURES
SPECIAL ISSUE: THE MOON

Over the Moon
By Camille M. Carlisle

The Science of Apollo
Samples brought back by the astronauts revolutionized our picture of
the Moon. By John A. Wood

22
OBSERVING

S&T TEST REPORTS

41 July's Sky at a Glance

22 The Moon Three Ways
Celebrate the anniversary of the
Apollo 11 mission by kick-starting
your lunar observing. By Bob King

42 Lunar Almanac & Sky Chart
43 Binocular Highlight
By Mathew Wedel

Taking photos of the Moon can be
as simple as you want it to be.
By Sean Walker

32 (Back) to the Moon
What will the next ﬁve years of
lunar exploration look like?
By Monica Young and Terri Dubé

34 Red Light Field Test
A star party experiment conﬁrms
that using red at night needs to be
revisited. By Ken Wishaw

60 Happy Birthday, Margaret
The astronomer who taught us we
are all made of stardust will
celebrate her 100th birthday on
August 12th. By Benjamin Skuse

45 Under the Stars
By Fred Schaaf

COVER MOON GLOBE: L A PHON
PIN TA / G E T T Y IM AG ES

COLUMNS / DEPARTMENTS
4

Spectrum
By Peter Tyson

46 Sun, Moon & Planets
By Fred Schaaf

From Our Readers

48 Celestial Calendar
By S. N. Johnson-Roehr

7 75, 50 & 25 Years Ago
By Roger W. Sinnott

52 Exploring the Moon
By Charles A. Wood

8 News Notes

54 Deep-Sky Wonders
By Sue French

12 Cosmic Relief
By David Grinspoon
70 New Product Showcase

57 Going Deep
By Richard P. Wilds

72 Astronomer's Workbench
By Jerry Oltion
74 Gallery

Find us on
Facebook & Twitter

84 Focal Point
By Christopher Cokinos

ONLINE

WEBINARS
Join S&T staff and contributors
to learn about astrophotography,
equipment, constellations, and other
must-knows for amateurs.
skyandtelescope.com/classroom
The view outside Buzz
Aldrin's window after
landing PHOTO: N ASA

68 Optolong CLS Light
Pollution Filter
By Johnny Horne

44 Planetary Almanac

28 Targeting Luna

ON THE COVER

66 Lumicon Generation 3
Oxygen III Filter
By Rod Mollise

ONLINE STORE
Shop our online store for Moon and
planet globes, sky atlases, webinars, and more, all made or chosen
by the staff of S&T.
shopatsky.com

ASTROPHOTO GALLERY
Enjoy readers' best images and
upload your own to share with your
fellow enthusiasts. Be sure to check
out the Editor's Choice winners.
skyandtelescope.com/gallery

SKY & TELESCOPE (ISSN 0037-6604) is published monthly by Sky & Telescope, a division of F+W Media, Inc., 90 Sherman St., Cambridge, MA 02140-3264, USA. Phone: 800-2530245 (customer service/subscriptions), 617-864-7360 (all other calls). Fax: 617-864-6117. Website: skyandtelescope.com. Store website: shopatsky.com. ©2019 F+W Media, Inc.
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Sky & Telescope - July 2019

Table of Contents for the Digital Edition of Sky & Telescope - July 2019