Voyager 2 at Neptune - Imaging science results

Details Voyager 2 at Neptune - Imaging science results Voyager 2 at Neptune - Imaging science results

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989sci...246.1422s&link_type=abstract

Science (ISSN 0036-8075), vol. 246, Dec. 15, 1989, p. 1422-1449.

Astronomy and Astrophysics

Astronomy

316

Ice Clouds, Neptune Atmosphere, Neptune Satellites, Planetary Rings, Spaceborne Photography, Voyager 2 Spacecraft, Astronomical Spectroscopy, Hydrogen Sulfide, Image Processing, Methane, Satellite Imagery

Scientific paper

Neptune's atmosphere is revealed by Voyager 2 images to contain clouds of methane ice above a lower deck of hydrogen sulfide or ammonia ices, and to be dominated by an anticyclonic storm system designated the 'Great Dark Spot'; this bears both similarities and differences to the Great Red Spot of Jupiter. Like the rings of Uranus, those of Neptune are composed of very dark, but in addition very dusty, material. Six new regular satellites have been discovered whose radii range from 25 to 200 km. Triton is noted to be a differentiated body showing evidence of early surface-melting episodes. At least two active plumes are found on Triton, which may be driven by solar heating.

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