2019-07-01_Australian_Sky_&_Telescope

40 AUSTRALIAN SKY & TELESCOPE July 2019 A interface between the core and the envelope? Could there be two explosions, one th ...

http://www.skyandtelescope.com.au 41 the expansion rate throughout cosmic history will help astronomers discover whether or not ...

42 AUSTRALIAN SKY & TELESCOPE July 2019 Centaurus clusters T his issue we take a look at a few objects in the region surroun ...

http://www.skyandtelescope.com.au 43 3 h Zenith (^0) h 6 h h 9 h^12 h^15 h^18 ° +20 ° +40 ° –20 ° 0 –40° –60° –80° –80° –60° E Q ...

44 AUSTRALIAN SKY & TELESCOPE July 2019 UNDER THE STARS by Fred Schaaf AKIRA FUJII “Everythingthatlivesstrivesforcolor.” — J ...

CCD TECHNO OGY IMAGING WITHOUT COMPROMISE Perfect for the entry level astronomer, the Atik ,QÀQLW\LVWKHÀUVW$WLN&&' ...

46 AUSTRALIAN SKY & TELESCOPE July 2019 SUN, MOON & PLANETS by Jonathan Nally Saturn shines in Sagittarius W interis now ...

http://www.skyandtelescope.com.au 47 by Con Stoitsis METEORS Duelling winter showers Moonlessnightsat theendof Julywillbe perfec ...

48 AUSTRALIAN SKY & TELESCOPE July 2019 COMETS by David Seargent A very intriguing comet Did C/2017 T2 (PANSTARRS) undergo a ...

http://www.skyandtelescope.com.au 49 by Alan Plummer VARIABLE STARS Three in Scorpius R, S and T Scorpius are found in and near ...

50 AUSTRALIAN SKY & TELESCOPE July 2019 EXPLORING THE MOON by Charles Wood CREDIT L amontCranstonwasanidentity sometimestake ...

http://www.skyandtelescope.com.au 51 verticalsheetsofmagma thatfracturedthecrust androsefromdeeper sourcestowardthe surface. Mau ...

52 AUSTRALIAN SKY & TELESCOPE July 2019 TARGETS by Sue French DO 27: MARTIN GERMANO; SKETCH: SUE FRENCH No NGC Clusters Look ...

http://www.skyandtelescope.com.au 53 CR 316 AND TR 24: MICHAEL A. COVINGTON; IC 4665: BOB FRANKE; DODZ 9: POSS II / CALTECH / ST ...

54 AUSTRALIAN SKY & TELESCOPE July 2019 wears a yellow-orange hue. Two stars smolder orange: one in the southeastern edge, a ...

http://www.skyandtelescope.com.au 55 by Jonathan Nally ECLIPSE fare better, but not equally. Brisbane, for example, will see onl ...

56 AUSTRALIAN SKY & TELESCOPE July 2019 RED STAR by Peter Tyson Astronomersareitchingto knowwhen this red supergiant will go ...

http://www.skyandtelescope.com.au 57 ROGELIO BERNAL ANDREO / WIKIMEDIA COMMONS / CC BY-SA 3.0 BETELGEUSE, THAT ORANGE BEACON shi ...

58 AUSTRALIAN SKY & TELESCOPE July 2019 factorssuchasradius,ageandmass.Withoutsuchbasic elementsnaileddown,guessingwhena sup ...

Accuratelydeterminingluminosityis knottyevenif astronomersareconfidentaboutthedistance.“It’sreally hardtofigureoutexactlyhowlumi ...