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8D20.70 - Gamma Ray Telescopes

Photo Credit - http://astroguyz.com/2009/01/01/january-2009-news-notes/
Code Number: 8D20.70
Demo Title: Gamma Ray Telescopes
Condition: Excellent
Principle: Gamma Ray Telescopes
Area of Study: Astronomy
References:
- Trevor C. Weekes, "Very High-Energy Gamma-Ray Sources", TPT, Vol. 24, #1, Jan. 1986, p. 21.
- Marvin Leventhal, "Gamma-Ray Line Astronomy, Promises and Prospects", TPT, Vol. 19, #8, Nov. 1981, p. 527.
- Andrew Grant, "A Puzzling Gamma-Ray Survey of the Sun", Physics Today, Vol. 71, #10, Oct. 2018, p. 21.
- Guinness Book of World Records, "Most Powerful Telescopes", 2003, p. 73.