Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979ap%26ss..66..453s&link_type=abstract
Astrophysics and Space Science, vol. 66, no. 2, Dec. 1979, p. 453-466.
Astronomy and Astrophysics
Astronomy
7
Interstellar Extinction, Interstellar Matter, Spaceborne Astronomy, Spacelab, Ultraviolet Astronomy, Absorption Spectra, Light Scattering, Polarization (Waves), Satellite-Borne Instruments, Spaceborne Experiments
Scientific paper
The paper presents observational results obtained on interstellar grains and molecules and suggests promising areas for Spacelab research. Regarding grains, useful data can be expected on the shape of the ultraviolet extinction curve for new interstellar regions, on the nature of UV extinction at short wavelengths, the presence of structure in the UV extinction curve comparable to the visible-wavelength diffuse bands, and the polarization properties of grains in UV wavelengths. The advances in observations of molecules will include the ability to prove more heavily-obscured regions, coverage of wavelength regions inadequately studied with previous instruments, and the capability of observing in optical absorption species detected in the same line of sight in radio emission.
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