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Science 30 October 1970:
Vol. 170. no. 3957, pp. 527 - 531
DOI: 10.1126/science.170.3957.527
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Articles

Far-Ultraviolet Photography of Orion: Interstellar Dust

Richard C. Henry 1 and George R. Carruthers 2

1 E. O. Hulburt Center for Space Research, Naval Research Laboratory, Washington, D.C. 20390, and Johns Hopkins University, Baltimore, Maryland 21218
2 E. O. Hulburt Center for Space Research

Wide-angle photography of Barnard's Loop Nebula suggests that the nebular emission is much less intense in the 1230- to 2100-angstrom spectral region than in the 2200- to 3200-angstrom near-ultraviolet region. This contrast may be due to differences in the absorption or scattering properties of the interstellar grains in these two wavelength regions.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)