Sky & Telescope - USA (2019-09)

PAGE 24 PAGE 60 PAGE 52 THE ESSENTIAL GUIDE TO ASTRONOMY SEPTEMBER 2019 skyandtelescope.com OBSERVING: Spots on Venus CHESLEY BO ...

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ºSeptember 1944 Pleiades Probed “Dr. J. A. Pearce [at the Dominion Astrophysi- cal Observatory has studied the spectra] and phys ...

NEWS NOTES IF THEORISTS ARE RIGHT, observers could spot potentially hazardous aster- oids — part of the hypothesized Taurid reso ...

skyandtelescope.com • SEPTEMBER 2019 9 SPACE SpaceX Launches 60 Starlink Satellites uThe swirl that connects the Great Red Spot ...

NEWS NOTES 10 SEPTEMBER 2019 • SKY & TELESCOPE EXOPLANETS Images Reveal Growing Newborn Planets SOLAR SYSTEM Was ‘Oumuamua a ...

rspec-astro.com Additional details and short videos at: YYYYYYYYYYYYYYYYYYYYYYoYYYYYYYYYYYYYYYouoooooooooooouuuuuuuuuuuuruuuurrr ...

NEWS NOTES 12 SEPTEMBER 2019 • SKY & TELESCOPE GALAXY The Milky Way Used to Burst with Stars NEW RESEARCH SHOWS that just a ...

TOURS 2020 FEBRUARY Costa Rica Southern Sky Party JUNE Ethiopia Annular Solar Eclipse SEPTEMBER Northern Iceland Aurora DECEMBER ...

COSMIC RELIEF by David Grinspoon VENUS AND EARTH are a strange pair for two planets so similar in size and apparent composition. ...

skyandtelescope.com/australia As you travel in comfort from Rome to Florence, Pisa, and Padua, visit some of the country’s great ...

AT A GLANCE by Shannon Hall and Terri Dubé 2,333 confi rmed planets discovered by Kepler 361 confi rmed planets discovered by K ...

p SUPER-EARTHS & MINI-NEPTUNES 1.5 – 2.5 RE 5 – 10 ME p NEPTUNE-SIZE PLANETS 2.5 – 6.0 RE 10 – 50 ME p JUPITER-SIZE PLANETS ...

EV EN T^ H OR IZO N^ T EL ES CO PE CO LL AB OR AT IO N EVENT HORIZON TELESCOPE by Camille M. Carlisle 18 SEPTEMBER 2019 • SKY &a ...