Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mnras.182p..17l&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 182, Feb. 1978, p. 17P-21P.
Astronomy and Astrophysics
Astronomy
31
Absorption Spectra, Ceres Asteroid, Hydration, Infrared Spectra, Water, Astronomical Spectroscopy, Carbonaceous Chondrites, Meteoritic Composition, Reflectance
Scientific paper
An absorption feature centred near 3.0 microns has been discovered in the infrared spectrum of asteroid 1 Ceres. This spectrum has been compared with laboratory spectra of meteorites and shows great similarity to the spectra of type II carbonaceous chondrites. By analogy this suggests the presence of about 10-15 per cent water in the form of water of hydration on the surface of Ceres. This is the first evidence of water in the surface material of an asteroid.
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