Io - Evidence for silicate volcanism in 1986

Details Io - Evidence for silicate volcanism in 1986 Io - Evidence for silicate volcanism in 1986

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988sci...242.1280j&link_type=abstract

Science (ISSN 0036-8075), vol. 242, Dec. 2, 1988, p. 1280-1283.

Astronomy and Astrophysics

Astronomy

47

Infrared Astronomy, Io, Silicates, Volcanoes, Infrared Telescopes, Jupiter Satellites, Universal Time, Voyager Project

Scientific paper

Infrared observations of Io during the 1986 apparition of Jupiter indicate that a large eruptive event occurred on the leading side of Io on 7 August 1986, Universal Time. Measurements made at 4.8, 8.7, and 20 micrometers suggest that the source of the event was about 15 kilometers in radius with a model temperature of ≡900 Kelvin. Together with previously reported events, these measurements indicate that high-temperature volcanic activity on the leading side of Io may be more frequent than previously thought. The inferred temperature is significantly above the boiling point of sulfur in a vacuum (715 Kelvin) and thus constitutes strong evidence for active silicate volcanism on the surface of Io.

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