First Sentence:
Prior to the ETX, most inexpensive consumer telescopes came in two varieties: the refractor telescope, which uses a glass lens at the top to focus the light, and the Newtonian reflector telescope, which uses a curved mirror (actually a spherical surface) at the bottom to reflect and focus the light.
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Key Phrases - Statistically Improbable Phrases (SIPs):
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mounting mode, telescope indoors, optical tube assembly, ascension drive, fork arms, star hopping, solar filter, erecting prism, altitude axis, polar mode, fork mount, setting circle, corrector lens, brighter planets, polar alignment, cloud bands, rear port, home position, power eyepiece, limiting magnitude, alignment stars, telescope tube, observing session, amateur astronomy, other telescopes
Key Phrases - Capitalized Phrases (CAPs):
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Using the Meade, Clay Sherrod, Web Site, Azimuth Percent, Full Moon, Ursa Major, Autostar Updater, Meade Instruments Corp, Mean Motion, Milky Way, Objects Figure, Richard Seymour, Ursa Minor, Epoch Day, Great Nebula, The Simple Observing Log
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