Earth and Space Mid Term Chapter 23 – Flashcards
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To determine wheaten a celestial body is approaching or receding from the Earth, astronomers employ the
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Doppler Effect
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The first person to use a telescope for astronomical observations was
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Galileo
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The problems encountered with lenses caused _____ to build reflection telescopes of his own design.
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Sir Issac Newton
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Because lenses act like a prism to separate the colors of the spectrum, they produce a troublesome effect known as
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Chromatic Abberation
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Nearly all large optical telescopes built today are
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Reflecting
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The layer of the Sun that radiates most of the light that reaches Earth is called the
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Photosphere
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The layer of the solar atmosphere directly above the photosphere is referred to as the
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Troposphere
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The outermost layer of the Sun is called the
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Corona
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The most explosive events to occur on the Sun are
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Solar Flares
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The source of the Sun's energy is
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Nuclear Fussion
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The most conspicuous features on the surface of the Sun are dark areas called
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Sun Spots
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The Sun's surface has a grainy texture produced by numerous bright markings called
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Granules
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The Sun produces energy by converting
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Hydrogen nuclei to Helium nuclei
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The amount of energy released during a nuclear reaction was established by
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Albert Einstein
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Streams of protons and electrons emitted from the Sun produce the
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Solar Winds
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During periods of high solar activity, huge cloud-like structures that appear as great arches extending form the Sun are often produced. These solar features are called
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Prominence
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List all the Forms of Radiation
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List
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