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27 Cards in this Set
- Front
- Back
a pointed jet of gases from the top of the sun's chromosphere extending into the corona
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spicule
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a subatomic particle emitted by the sun that travels at the speed of light
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neutrino
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the visible surface of the sun
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photosphere
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the horizontal distance from one wave crest to the next
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wavelength
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an eclipse in which the moon passes between the sun and the earth
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solar eclipse
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an instrument which separates light into its component wavelengths, permitting an identification of the elements in the light source
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spectroscope
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a severe, suddenly occurring storm on the sun that emits both rays and particles which can disrupt radio transmissions on the earth
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solar flare
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high-speed particles, mostly protons and electrons, traveling outward from the sun's corona
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solar wind
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the light outer part of a sunspot or shadow
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penumbra
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a form of energy which includes visible light, ultraviolet, infrared, and x-rays
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electromagnetic waves
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the dark inner part of a sunspot
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umbra
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a cell in the sun's photosphere thought to result from convection currents bringing up heated gases from beneath the surface
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granule
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relatively small, cooler dark area on the sun's surface believed to be associated with the sun's magnetic field
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sunspot
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a state of matter formed at extremely hot temperatures
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plasma
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to remove electrons from atoms or to add electrons to atoms
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ionize
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the galaxy in which the sun is located
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Milky Way
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the edge of the sun's disk
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limb
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the layer of gases that forms the inner part of the sun's atmosphere
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chromosphere
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an instrument used to observe the corona of the sun by making an artificial eclipse
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coronagraph
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the innermost part of the sun where thermonuclear reactions generate energy
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core
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a small, waferlike device which converts sunlight directly into electricity
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solar cell
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a series of thousands of microscopic lines ruled or molded onto a transparent surface which are tiny enough to interfere with light waves to produce a spectrum
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diffraction grating
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the extensive outer portion of the solar atmosphere
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corona
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the outermost layer of the sun's interior, composed of hot gases
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convective zone
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streams of material that rise into and fall from the sun's corona
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prominence
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a calendar which ignores the lunar cycle
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solar calendar
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the middle region of the sun's interior where heat moves outward from the core by radiation
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radiative zone
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