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The Sun Gun Telescope, as featured in the August 1999 issue of Scientific American magazine, was designed so that large groups of people can view the sun safely - in particular it was created as a way to encourage children to become interested in astronomy. With this safe and portable device, both amateur science enthusiasts and professionals alike can observe sun spots.
Sun Gun Telescope
Bruce Hegerberg designed the Sun Gun from a 60 mm diameter 900 mm fl. optical tube which is mounted inside a 3-inch PVC which is in turn connected to a 20-inch plastic flower planter. A rear projection screen is then mounted on the top of the flower planter. The entire Sun Gun can be made from items easily found at most local hardware stores. The scope itself is an inexpensive 60mm refractor available from many sources.
Some telescopes are classified by the task they perform; for example Solar telescopes are all designs that look at the Sun, Dobsonian telescopes are designed...
Amateur Telescope Makers of London Mirror support cell Optical telescope PLate OPtimizer Stellafane Types of amateur built telescopes Copyscope SunGun Telescope...
main telescope used during the nighttime, as well as a SunGunTelescope and other telescopes for observing the sun. The observatory's main telescope is...
Boller & Chivens telescope, a SunGunTelescope and hydrogen-alpha (red light, to see the chromosphere) and calcium-K (purple light) telescopes. The observatory...
The Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation...
third largest, after the Green Bank telescope in West Virginia and the Effelsberg telescope in Germany. Part of the gun turret mechanisms from the First...
The Lovell Telescope (/ˈlʌvəl/ LUV-əl) is a radio telescope at Jodrell Bank Observatory, near Goostrey, Cheshire, in the north-west of England. When construction...
Kunitomo's reflecting telescope, 1831. Observation of the moon by Kunitomo in 1836. Air gun developed by Kunitomo, circa 1820–1830. Air gun trigger mechanism...
The Bren gun was a series of light machine guns (LMG) made by Britain in the 1930s and used in various roles until 1992. While best known for its role...
scope informally, is an optical sighting device based on a refracting telescope. It is equipped with some form of a referencing pattern – known as a reticle...
Earth. Also notable examples of size in arcseconds are: Hubble Space Telescope has calculational resolution of 0.05 arcseconds and actual resolution...
Gun laws in Illinois regulate the sale, possession, and use of firearms and ammunition in the state of Illinois in the United States. To legally possess...
black hole was imaged using data collected in 2017 by the Event Horizon Telescope (EHT), with a final, processed image released on 10 April 2019. In March 2021...
useful distances for stars out to a few hundred parsecs. The Hubble Space Telescope's Wide Field Camera 3 has the potential to provide a precision of 20 to...
first 800mm satellite tracking and monitoring telescope enables visitors to observe planets including the Sun, nebula and a cluster of stars. Deokyu Mountain...
measuring their angular distance from the nadir. These are special purpose telescopes mounted so as to allow pointing only in the meridian, the great circle...
refracting telescopes. His design, the "Gregorian telescope", however, remained un-built. In 1666, Newton argued that the faults of the refracting telescope were...
ninth planet is, and we have done the starting gun, and now it's a race to actually point your telescope at the right spot in the sky and make that discovery...
optical telescope, the background space between stars and galaxies is almost completely dark. However, a sufficiently sensitive radio telescope detects...
different types of guns, according to the Chicago Sun-Times. Chakraborty, Barnini (January 3, 2013). "Firearms Groups Fight Sweeping Illinois Gun Ban, Dems Weigh...
Kunitomo Ikkansai (a former gun manufacturer) built Japan's first reflecting telescope of the Gregorian type. Kunitomo's telescope had a magnification of 60...
till the rockets are launched and the Nomads are heading for the radio telescope. Arushka is on Moshi, riding alongside the Beast. Myah and the brothers...
dome home of biker couple, a speed pick yields a Bausch & Lomb spotting telescope, New Era rope twister, a vintage steam-powered popcorn machine. The guys...
prevention measures for policy frameworks. 27 March The Event Horizon Telescope team confirms that strong magnetic fields are spiralling at the edge of...
type of lens that is attached to a variety of optical devices such as telescopes and microscopes. It is named because it is usually the lens that is closest...
Sunglasses or sun glasses (informally called shades or sunnies; more names below) are a form of protective eyewear designed primarily to prevent bright...
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