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BOTTOM: S&T:SEAN WALKER;TOP: ESAOn newsstands July 1st!
Rosetta’s Comet Rendezvous
Europe’s intrepid spacecraft will reach Comet
67P/Churyumov-Gerasimenko in August
after a decade of interplanetary travel.The Origin of Lunar Craters
By recognizing the similarity of lunar craters
to bomb craters formed during World War I,
a largely forgotten scientist made an impor-
tant discovery about the Moon.NEAF Roundup
S&T editors highlight the most exciting
new products unveiled at April’s Northeast
Astronomy Forum.How to Clean Your Optics
Cleaning the mirrors and lenses in your tele-
scopes and eyepieces the right way will keep
them in tip-top operating condition.AG Optical........................... 81
Ash Manufacturing Co., Inc............. 79
Astro Haven Enterprises................ 81
Astro-Physics, Inc...................... 82
Astronomics......................... 63
Bob’s Knobs......................... 80
CNC Parts Supply, Inc.................. 80
DFM Engineering, Inc.................. 53
DiscMounts, Inc....................... 81
Equatorial Platforms................... 80
Explore Scientifi c - Bresser.............. 88
Finger Lakes Instrumentation, LLC....... 13
Foster Systems, LLC................... 80
Glatter Instruments................... 80
Goto USA, Inc......................... 5
International Dark-Sky Association....... 81
iOptron............................. 17
Khan Scope Centre.................... 81
Knightware........................... 81
Lunatico Astronomia.................. 80
Meade Instruments Corp............. 7-10
Observa-Dome Laboratories............ 59Obsession Telescopes................. 79Oceanside Photo & Telescope........... 59Peterson Engineering Corp.............. 81PlaneWave Instruments................ 82PreciseParts.......................... 80Rainbow Optics....................... 81Santa Barbara Instrument Group......... 3Scope Project......................... 81Sky & Telescope................ .59, 63, 79Sky-Watcher USA...................... 25Software Bisque....................... 87Stellarvue............................ 82Summer Star Party.................... 53Technical Innovations.............. .80, 81Tele Vue Optics, Inc..................... 2Texas Nautical Repair, Inc............... 63The Teaching Company................ 33TravelQuest International............... 82Willmann-Bell, Inc..................... 81Woodland Hills Telescopes............. 53