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This 3 page paper answers some basic questions about astronomical matters. Bibliography lists 4 sources.
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3 pages (~225 words per page)
File: D0_HVAstQst.rtf
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some basic questions about astronomy. Q&A What are the major layers of the Sun? There are three major layers in the Sun; from the outside in they are the
photosphere; the chromosphere and the corona (Principles of spectroscopy). The Sun, being a star, is a nuclear furnace without a solid core. Instead, at its center the density is great
enough and the temperature is high enough to allow photons to undergo fusion (Principles of spectroscopy). As they travel outward from the point of fusion, they approach "the outer edge
of the Sun, called the photosphere" (Principles of spectroscopy). Thus, the photosphere is the boundary that "contains," if we may put it that way, the particles in the center of
the Sun; the other two layers are above it (Principles of spectroscopy). Since it is a star, the Sun is a very strange object indeed. Describe two types of telescopes.
How are they similar? All telescopes are similar because they all do the same thing: magnify distant objects. They are also similar because all telescopes contain either glass or
a mirror mounted in a tube, with an eyepiece so astronomers can observe the stars. According to Nick Strobel, who teaches astronomy, there are two types of telescopes, refractors and
reflectors (Strobel, 2006). The type of telescope is determined by the "objective," which is the "part of the telescope that gathers the light" (Strobel, 2006). A refractor-type telescope "uses a
glass lens as its objective. The glass lens is at the front of the telescope and light is bent (refracted) as it passes through the lens" (Strobel, 2006). A reflector
"uses a mirror as its objective. The mirror is close to the rear of the telescope and light is bounced off (reflected) as it strikes the mirror" (Strobel, 2006).
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