Group 5 chloe, daria, dylan, eleanor
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Group 5 chloe, daria, dylan, eleanor

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  • 1. REFRACTOR/REFLECTORTELESCOPESBy: Chloe, Daria, Dylan, Eleanor
  • 2. REFLECTORTwo concave mirrors make lightbounce up to another mirror, whichbounces light into the eyepiece.
  • 3. REFRACTORRefractor telescopes use convexlenses to collect, focus, andmagnify light.
  • 4. REFLECTOR PROS/CONSPros Cons The reflector is good  The Mirrors in the for deep-sky objects telescope have to be Large Reflectors are recoated every few very popular years in order to function properly  Its easy to damage them, they are fragile if you handle them to roughly
  • 5. REFRACTOR PROS/CONSPros Cons The Refractor  The refractor suffers telescope is better for from chromatic observing the planets aberration and the moon  Very expensive The Refractor telescope uses lenses instead of mirrors so they don’t have to get recoated like the mirrors of the reflector telescope
  • 6. REFLECTOR HISTORYThe Reflector Telescope was invented by a Scottishastronomer named James Gregory. James Gregorywas the one who designed in 1663 and then in 1689Isaac Newton built the first Reflector telescope.
  • 7. REFRACTOR HISTORYThe Refractor telescope was invented by a Dutchoptician, Hans Lippershey who designed convexlenses held in front of each other, he put the lensesin a tube to make the first refractor telescope.
  • 8. BIBLIOGRAPHY Bibliography Refractor Telescope. (1998 - 2013). Retrieved from How Stuff Works: http://science.howstuffworks.com/telescope1.htm Brain, M. (1998 - 2013). Refractor Telescope. Retrieved from How Stuff Works: http://science.howstuffworks.com/telescope1.htm "All about Telescopes: Refractors, Reflectors and More." All about Telescopes: Refractors, Reflectors and More. N.p., n.d. Web. 28 Jan. 2013. "How Telescopes Work." HowStuffWorks. N.p., n.d. Web. 28 Jan. 2013 "Reflector Telescope." Universe Today RSS. N.p., n.d. Web. 28 Jan. 2013 "Advantages and Disadvantages of Reflecting Telescopes." Yahoo! Contributor Network. N.p., n.d. Web. 28 Jan. 2013.