Astronomy
1 billion years 10 billion years Present day 13.8 billion years 13.5 13.75 Cosmic microwave background radiation 13.82 billion l ...
62 ASTRONOMY • DECEMBER 2015 A: This is an excellent question and one that is at the forefront of cosmology research. The short ...
WWW.ASTRONOMY.COM 63 — means they can see only the brightest deep-sky objects. The Andromeda Galaxy (M31) is the farthest object ...
64 ASTRONOMY • DECEMBER 2015 I n response to my August 2013 column, “Elvis and the alphabet,” in which I made reference to the L ...
OBSERVING TOOLS COMMUNITY What’s new at Astronomy.com. BY KARRI FERRON http://www.twitter.com/ AstronomyMag http://www.facebook. ...
66 ASTRONOMY • DECEMBER 2015 O btaining a sharp focus is critical to many aspects of amateur astron- omy. Ironically, however, p ...
WWW.ASTRONOMY.COM 67 Camera MallinCam, Ottawa, Canada MallinCam’s SkyRaider-G Guider-Imager contains an Aptina ARO130 CMOS senso ...
68 ASTRONOMY • DECEMBER 2015 Representing images in ways other than pixels allows for powerful processing. This subject, based o ...
WWW.ASTRONOMY.COM 69 COMING IN OUR NEXT ISSUE TOP 10 SPACE STORIES OF 2015 The life and times of Stephen Hawking PLUS ◗ Astronom ...
MARKETPLACE 70 ASTRONOMY • DECEMBER 2015 1-800 Destiny .........................71 Adorama..............................19 AP Th ...
WWW.ASTRONOMY.COM 71 MARKETPLACE *Follow us on Facebook! GO TO http://www.Facebook.com/AstronomyMagazine Deep-Sky Planner 6 Comp ...
72 ASTRONOMY • DECEMBER 2015 SWE ET S PI R AL NGC 4945, also known as Caldwell 83, is an edge-on spiral galaxy in the constella ...
WWW.ASTRONOMY.COM 73 GLORIOUS GLOB M30 is a magnitude 6.9 globular cluster that lies in Capricornus the Sea Goat. It orbits our ...
74 ASTRONOMY • DECEMBER 2015 The Owl and the Snake One of the sky’s brightest planetary nebulae — the Owl Nebula (M97) in Ursa M ...
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Everyone can enjoy astronomy with Celestron’s NexStar SE line of telescopes that bring together ease of use with advanced featur ...
SOUTHERN SKY MARTIN GEORGE describes the solar system’s changing landscape as it appears in Earth’s southern sky. February 2016: ...
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γ α CE NT HYDRA CRATER SEXTANS CORVUS LEO LEO MINOR M65M66 NGC 5139 NGC 5128 Regulus M104 Jupiter E FEBRUARY 2016 Calendar of ev ...
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