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Parts of the reflecting telescope

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Jhali Olivares

on 21 October 2013

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Transcript of Parts of the reflecting telescope

Telescope tube
Mount
Primary mirror
It is located at the bottom of the telescope tube. It has a concave shape, which is a half moon-shaped mirror
Secondary mirror
It is located on the opposite side of the primary mirror.
Eyepiece
Eyepiece is used to enlarge the image collected by this mirrors, and it is usually located at the end of the telescope tube at the focal point .
The telescope tube holds the inside-parts of the telescope.
It supports the tube and lets you move it in any direction.
The word telescope comes from the modern latin tele, which means “at a distance”, and scopium, which means “see”; this word was originated in the mid-17th century (Oxford University Press, 2013). The reflecting telescope is used mainly by astronomers to observe celestial bodies in the sky and their features.
How it works
Reflecting
Mirrors - cheaper
Lighter than refracting telescopes
No chromatic aberration
Refracting
Lenses - expensive
Heavy
Suffer chromatic aberration
Telescopes
Parts of the reflecting
telescope


Figure 2.Mount
Source: Company Seven
Figure 3.Primary mirror
Source: Edmund optics. Science learn.
Figure 5. Eyepiece
Source: OPT Telescopes
Figure 1. Telescope tube
Source: Orion telescopes and binoculars

Figure 4. Secondary mirror. Source: Encyclopedia Britannica Kids.
Company Seven. [Art]. (2003). SkyView Pro™ German Equatorial Mount and Tripod. Montpelier, MD. Retrieved from
http://www.company7.com/orion/mounts/orionsvpmount.htm
Edmund optics. (2013). [Art]. Concave Spherical Mirrors. Barrington, NJ. Retrieved from http://www.edmundoptics.com/optics/optical-
mirrors/focusing-concave-mirrors/concave-spherical-mirrors/1909
Gregory, James: reflecting telescope. [Art]. (2011). In Britannica Online for Kids. Retrieved
from http://kids.britannica.com/comptons/art-58372.
Light and telescopes. PDF File. Retrieved from
http://casswww.ucsd.edu/archive/physics/ph5/lecture/telescopes.pdf
Meade. (2006). Meade Instruments Corp., Retrieved from http://www.meade.com/support/telewrk.html
OPT Telescopes. (2013). [Art]. Orion 10mm E-Series Telescope Eyepiece - 1.25". Oceanside, CA. Retrieved from
http://www.optcorp.com/or-8217-10mm-e-series-telescope-eyepiece-1-25inch.html.
Orion Telescopes & Binoculars. [Art]. (2013). Orion 203mm f/4.9 Reflector Tube with Crayford-Style Focuser. Retrieved from
http://www.telescope.com/catalog/product.jsp?productId=9788
Oxford University Press. (2013). Oxford dictionaries. Retrieved from http://oxforddictionaries.com/us/.
Strobel, Nick. (2010). Astronomy notes. Retrieved from http://www.astronomynotes.com/telescop/s6.htm.
University of Waikato. (2012). [Art]. Concave mirror. Waikato, NZ. Retrieved from
http://www.sciencelearn.org.nz/Contexts/Light-and-Sight/Sci-Media/Images/Concave-mirror
References
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