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- 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. 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. (en)
- 槍型太陽望遠鏡，其特色正如科學美國人這本雜誌在1999年8月所介紹的，是被設計來讓一群人可以同時安全的觀看太陽的一種方法，以培養他們－特別是鼓勵兒童－在天文學上的興趣。以這種安全的可攜式設備，科學的業餘愛好者和專業人士都可以觀察到太陽黑子。 Bruce Hegerberg設計的槍型太陽望遠鏡是直徑60mm、焦距900mm的光學管，安置在20”的塑膠花栽培器內的3”的PVC，一個實物投影幕放置在花栽培器的頂端。整個太陽槍的設備可以輕易的在當地的五金行購得。望遠鏡本身是來源廣泛的廉價60mm折射望遠鏡。完整的計畫和組合的資訊可以免費的從槍型太陽望遠鏡的網站下載：http://www.sunguntelescope.com/SUN_GUN.html （页面存档备份，存于互联网档案馆） (zh)
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- 槍型太陽望遠鏡，其特色正如科學美國人這本雜誌在1999年8月所介紹的，是被設計來讓一群人可以同時安全的觀看太陽的一種方法，以培養他們－特別是鼓勵兒童－在天文學上的興趣。以這種安全的可攜式設備，科學的業餘愛好者和專業人士都可以觀察到太陽黑子。 Bruce Hegerberg設計的槍型太陽望遠鏡是直徑60mm、焦距900mm的光學管，安置在20”的塑膠花栽培器內的3”的PVC，一個實物投影幕放置在花栽培器的頂端。整個太陽槍的設備可以輕易的在當地的五金行購得。望遠鏡本身是來源廣泛的廉價60mm折射望遠鏡。完整的計畫和組合的資訊可以免費的從槍型太陽望遠鏡的網站下載：http://www.sunguntelescope.com/SUN_GUN.html （页面存档备份，存于互联网档案馆） (zh)
- 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. (en)
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- Sun Gun Telescope (en)
- 槍型太陽望遠鏡 (zh)
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