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19 Cards in this Set
- Front
- Back
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Absorption spectrum |
A continuous spectrum produced when white light is passed through a cool gas under low pressure |
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Aurora |
A bright display of ever changing light caused by solar radiation interacting with the upper atmosphere in the region of the poles |
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Chromatic abberation |
The property of a lens whereby light of different colors is focused at different places |
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Chromosphere |
The first layer of the solar atmosphere found directly above the photosphere |
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Continuous spectrum |
An uninterrupted band of light emitted by an incandescent solid,liquid,or gas under pressure |
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Corona |
The outer weak layer of the solar atmosphere |
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Doppler effect |
The apparent change in frequency of electromagnetic or sound waves caused by the relative motions of the source and the observer |
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Electromagnetic spectrum |
The arrangement of electromagnetic radiation according to wavelength |
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Emission spectrum |
A series of bright lines of particular wavelengths produced by a hot gas under low pressure |
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Nuclear fusion |
The way in which the sun produces energy |
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Photon |
A small packet of light energy |
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Photosphere |
The region of the sun that radiates energy to space |
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Prominence |
A concentration of games above the solar surface that appears as a bright arch like structure |
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Reflecting telescope |
A telescope that concentrates light from distant objects by using a concave mirror |
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Refracting telescope |
A telescope that uses a lens to bend and concentrate the light from distant objects |
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Solar flare |
A sudden and tremendous eruption in the solar chromosphere |
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Solar wind |
Streams of protons and electrons ejected at high speed from the solar corona |
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Spectroscopy |
The study of the properties of light that depend on wavelength |
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Sunspot |
A dark spot on the sun which is cool by contrast to the surrounding photosphere |
