4 AUSTRALIAN SKY & TELESCOPE January 2018
REGULARS
5Spectrum
8Newsnotes
12 Discoveries
57 AS&T bookshop
FEATURES
14 Back in orbit
Australia’s federal government has
finallyseenthelight,committingto
establishing the nation’s first full-on
spaceagency.Andit’sfairtosaythe
space science community is thrilled.
By Jonathan Nally
16 TheracetoMars
Timing is everything in space
exploration,andin2020thetime
willberighttolaunchanarmadaof
explorerstotheRedPlanetinsearch
ofsignsoflife.By Benjamin Skuse
26 Worlds of wonder
Withits13-yearstintatSaturn
complete, NASA’s Cassini orbiter
leaves a legacy of unparalleled beauty
and scientific discovery.
By Luke Dones
36 The killer kilonova
Spacetime ripples from a neutron
star smash-up have ushered in a new
age of astronomy. By Govert Schilling
Contents
January 2018 ISSUE 106, VOL. 14 NO. 1
OBSERVING & EXPLORING
42 Binocular highlight
See a ‘stingray’ in the sky.
By Matt Wedel
44 Under the stars
In awe of celestial curiosities.
By Fred Schaaf
46 Sun, Moon and planets
Planets shine in the morning sky.
By Jonathan Nally
47 Meteors
Thebestmeteorshowersfor2018.
By Con Stoitsis
48 Double star notes
Visiting Volans, the ‘flying fish’.
By Ross Gould
49 Variable stars
Watch a wild and unpredictable star.
By Alan Plummer
50 Comets
A close encounter with the Sun.
By David Seargent
52 Celestial calendar
Checkoutour2018observingguide.
54 Celestial calendar
Don’t miss January’s lunar eclipse!
By S. N. Johnson-Roehr
P.26 The sights of Saturn
P.
Road testing
Celestron’s new
CGX equatorial
mount.
P.14 Australia’s new space agency