Market Your essential source for astronomical products ACCESSORIES IS NASA WRONG ABOUT ASTEROIDS? NASA Ignores Asteroid/Comet Threat & Rejects Commercial Space Transportation System Read The NASA Letters Available Bookstores & Amazon Books Concerned American Aerospace Engineers Join us - webpage: caae.space email: caae@wt.net CLASSIFIEDS $495 * FOR RENT: 3BR/2BA furnished home in ARIZONA SKY VILLAGE PORTAL, AZ. Spectacular observing/birding! irkitzman@gmail.com www.arizona-dreaming.com 520-203-8500 * SOUTHWEST NEW MEXICO: Casitas de Gila Guesthouses. Dark skies, great accommodations; power, wifi, and pads available. casitasdegila.com/astronomy.html. 575-535-4455. Classified ads are for the sale of noncommercial merchandise or for job offerings. The rate is $1.75 per word; minimum charge of $28.00; payment must accompany order. Closing date is 10th of third month before publication date. Send ads to: Ad Dept., Sky & Telescope, 1374 Massachusetts Ave., 4th Floor, Cambridge, MA 02138. 80 DECEMBER 2023 * SKY & TELESCOPE Place BOOKS SOFTWAREhttp://www.preciseparts.com http://www.knightware.biz http://www.arizona-dreaming.com http://www.casitasdegila.com/astronomy.html