Astronomy

(Nandana) #1

CONTENTS


Dave’s
Universe
The inside
scoop from
the editor.

Sky This
Week
A daily digest
of celestial
events.

News
The latest
updates from
the science
and the hobby.

Ask Astro
Archives
Answers to all
your cosmic
questions.

4 ASTRONOMY • DECEMBER 2018


18 COVER STORY


Mission Moon 3-D
Explore the lunar surface as the
Apollo astronauts did, in vivid
stereoscopic detail.
DAVID J. EICHER AND BRIAN MAY


28


The historic flight
of Apollo 8
As we celebrate the golden
anniversary of humanity’s irst
trip to the Moon, command
module pilot Jim Lovell recounts
the epic voyage. RICHARD TALCOTT


36


Sky This Month
Venus shines brilliantly.


MARTIN RATCLIFFE AND
ALISTER LING


38
StarDome and
Path of the Planets
RICHARD TALCOTT;
ILLUSTRATIONS BY ROEN KELLY

44
Explore nearby
deep-sky gems
Interested in observing a red
dwarf, supernova remnant, or
galaxy cluster? We’ve got you
covered. ALAN GOLDSTEIN

48
Observe shadow play
on the Moon
he efects of light and dark on
the lunar terminator ofer some
great observing fun.
PHIL HARRINGTON

52
Meet an expert
in remote astroimaging
Mark Hanson admits he was
never a stellar student, but his
photography is out of this world.

58
Astronomy tests
Meade’s new astrograph
his great-looking scope will help
you create even better-looking
images. JONATHAN TALBOT

68
Ask Astro
Supernova signals.

COLUMNS


Strange Universe 12
BOB BERMAN

Secret Sky 62
STEPHEN JAMES O’MEARA

Observing Basics 64
GLENN CHAPLE

Binocular Universe 66
PHIL HARRINGTON

QUANTUM GRAVITY
Snapshot 9
Astro News 10

IN EVERY ISSUE
From the Editor 6
Astro Letters 8
New Products 60
Advertiser Index 65
Reader Gallery 70
Breakthrough 74

FEATURES


DECEMBER 2018
VOL. 46, NO. 12

28


Astronomy (ISSN 0091-6358, USPS 531-350)
is published monthly by Kalmbach Media
Co., 21027 Crossroads Circle, P. O. Box 1612,
Waukesha, WI 53187–1612. Periodicals postage
paid at Waukesha, WI, and additional offices.
POSTMASTER: Send address changes to
Astronomy, P.O. Box 62320, Tampa, Fla. 33662-2320.
Canada Publication Mail Agreement #40010760.

ONLINE


FAVORITES


Go to http://www.Astronomy.com
for info on the biggest news and
observing events, stunning photos,
informative videos, and more.

ON THE COVER
During Apollo 12, astronaut Alan
Bean descends the Lunar Module
ladder, imaged by Pete Conrad. NASA

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