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  2. Amateur telescope making - Wikipedia

    en.wikipedia.org/wiki/Amateur_telescope_making

    Ever since Galileo Galilei adapted a Dutch invention for astronomical use, astronomical telescope making has been an evolving discipline. Many astronomers after the time of Galileo built their own telescopes out of necessity, but the advent of amateurs in the field building telescopes for their own enjoyment and education seems to have come into prominence in the 20th century.

  3. List of near-Earth object observation projects - Wikipedia

    en.wikipedia.org/wiki/List_of_near-Earth_object...

    Monitoring project of lunar impact flashes for the determination of the distribution and frequency of small NEOs NEO Surveyor: 2028 NEOSTEL: 2020 Planned ground-based fly-eye survey telescope NEODyS: Database of near-Earth asteroid orbits NEOWISE: 2009 2024 Infrared survey to identify and characterize the population of near-Earth objects Orbit ...

  4. Astroscan - Wikipedia

    en.wikipedia.org/wiki/Astroscan

    When Edmund Scientific introduced the telescope in 1976 they called it "The Edmund Wide-Field Telescope" with a Part Number "2001" [5] Edmund had a public contest which ran until November 15, 1976, to come up with a name. [6] The winning name was "Astroscan 2001". The "2001" part of the name was dropped over time.

  5. John Dobson (amateur astronomer) - Wikipedia

    en.wikipedia.org/wiki/John_Dobson_(amateur...

    For instance, a telescope was referred to as a "geranium", which is a type of flower. A "potted geranium" referred to a telescope in a tube and rocker, while a "geranium in bloom" referred to a telescope whose mirror was now aluminized. [5] Eventually Dobson was given the option of ceasing his telescope building or leaving the order. He chose ...

  6. A. C. Gilbert Company - Wikipedia

    en.wikipedia.org/wiki/A._C._Gilbert_Company

    A line of inexpensive reflector telescopes followed the Sputnik-inspired science craze in the late 1950s. In 1958, the company promoted its science toys by commissioning a comic book, Adventures in Science, from Custom Comics. In the comic, a mysterious "Mr. Science" leaps through time and space with a bored teenage boy to interest him in science.

  7. Adler Planetarium - Wikipedia

    en.wikipedia.org/wiki/Adler_Planetarium

    In 2013, the Adler Planetarium undertook the first major renovation of the Doane Observatory. Completed in 2015, renovations included the addition of an indoor classroom, a restroom, accessible entry ramps, and telescope and technology upgrades. [18] The Adler Planetarium is a member institution of the Large Synoptic Survey Telescope project. [29]

  8. Unusual eBay listings - Wikipedia

    en.wikipedia.org/wiki/Unusual_eBay_listings

    Bridgeville, California (population 25) was the first town to be sold on eBay in 2002, and has been up for sale three times since. [1] In January 2003, Thatch Cay, the last privately held and undeveloped U.S. Virgin Island, was listed for auction by Idealight International. The minimum bid was US$3 million and the sale closed January 16, 2003. [2]

  9. RC Optical Systems - Wikipedia

    en.wikipedia.org/wiki/RC_Optical_Systems

    The smallest RCOS telescope, the 12.5 inch F/9 Ritchey-Chrétien had a base price of just over twenty thousand US dollars in 2009, with large and/or custom models costing considerably more. RC Optical Systems and Star Instruments won a lawsuit in 2008 against Meade Instruments over Meade's description of RCX400 and LX200R telescopes and the ...