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+ 1970 News Releases (7.6 Mb PDF file) - NASA

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70-28<br />

Add 2<br />

Photoelectric Studies: The spectral smd polarmetric distribution<br />

of the coronal radiation and of the sunlight scattered by the Earth's<br />

atmosphere will be studied by this experiment. Dr. Natalie S. Kovar_<br />

University of Houston, is chief experimenter.<br />

Flash S_ectrum: This experiment is designed to record the spectrum<br />

of the chromosphere (the thin layer of relatively transparent gases above<br />

the photosphere of the Sun) just before and after totality. Analysis of<br />

this data will yield data on the tem-oerature distribution of the chromosphere.<br />

Chief experimenter is Carl L. Kotila of _ASC.<br />

Comet Search: Exposures of varying length will be taken during<br />

totality in order to detect the family of faint comets predicted to be<br />

found near the Sun. The known presence or absence of these comets will<br />

be important in the solution of the problem of dealing with the replenishment<br />

of interplanetary dust particles. George Bonner of MSC is chief<br />

experimenter.<br />

Shadow Band Experiment: 3onner along with Michael F. Heidt are chief<br />

experimenters of this experiment which will be employed to determine the<br />

size_ velocity, and intensity variations of the shadow bands. Very little<br />

is known about the nature of these bands since they have never seen<br />

detected photographically or photoelectrically.<br />

Multicolor Coronal Photography: This experiment consists of taking<br />

photographs of the inner corona in order to determine how the structure<br />

of the corona varies with the wavelength. This variation will depend on<br />

the distrioution of the various ions within the corona. Experimenter<br />

for the multicolor experiment is Kenneth D. Cashion.<br />

-more-

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