Astronomy - 06.2019

This map unfolds the entire night sky from sunset (at right) until sunrise (at left). Arrows and colored dots show motions and l ...

E N Path of Comet ASASSN 30 27 24 21 18 June 15 i j CETUS 0.5° Comet ASASSN (C/2018 N2) W S Ganymede Europa Io Callisto Jupiter ...

Mars Mercury Pollux Castor GEMINI June 17, 45 minutes after sunset Looking west-northwest 5° E N Path of Pallas July 1 26 21 16 ...

Objects brief ly seen on television over 50 years ago mak ...

WWW.ASTRONOMY.COM 45 M67 Our first target is the “other” open cluster in the constellation Cancer — in other words, not the more ...

46 ASTRONOMY • JUNE 2019 NGC 891 You know, second place is fine if people remember you. NGC 891 is the second-best galaxy in the ...

WWW.ASTRONOMY.COM 47 (Delta [δ] Corvi), or 11° west of Spica (Alpha Virginis). The Sombrero Galaxy’s lens shape and the dark dus ...

48 ASTRONOMY • JUNE 2019 with this one, the final four images were reversed. Seeing NGC 5128 high in the sky is one of the thril ...

WWW.ASTRONOMY.COM 49 M81 To view our penultimate wonder, head to the northwest section of the constel- lation Ursa Major the Gre ...

Transient treasures of word and art show that our science has a rich and colorful past. text and photos by Raymond Shubinski THE ...

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52 ASTRONOMY • JUNE 2019 help for those who were studying to become master’s mates and pilots. This card may have been handed ou ...

WWW.ASTRONOMY.COM 53 Etienne Leopold Trouvelot, produced beautiful astronomical artwork, which was reproduced many times. Kranz ...

54 ASTRONOMY • JUNE 2019 more. A real education could be gotten from these miniature cards. At the beginning of the 20th century ...

WWW.ASTRONOMY.COM 55 encyclopedias of information. Of all the astronomical ephemera that might tempt a collector, these cards ar ...

56 ASTRONOMY • JUNE 2019 MISSION COMPLETE^ for OPPORTU NITY ROVER After 15 years exploring the Red Planet, the Mars Exploration ...

WWW.ASTRONOMY.COM 57 MISSION’S END On June 10, 2018, Opportunity fell silent under the shroud of a planet-encircling dust storm. ...

58 ASTRONOMY • JUNE 2019 REMEMBERING OPPORTUNITY AFTER SOME 15 PROLIFIC YEARS on the martian surface, NASA’s Mars Opportunity ro ...

WWW.ASTRONOMY.COM 59 Because [Opportunity has] such a small team, we have a lot more of a family feel.... We’re all really close ...

60 ASTRONOMY • JUNE 2019 From the start, this company’s goal was the perfect telescope. text and photos by Tony Hallas The story ...