Accession Number : AD0740233

Title :   Final Report, 1 October 1970-31 August 1971.

Corporate Author : CALIFORNIA UNIV BERKELEY SPACE SCIENCES LAB

Report Date : 1971

Pagination or Media Count : 8

Abstract : In the early 1960's two new types of motion in the sun's atmosphere were discovered: the 5-minute oscillations and the supergranulation. The 5-minute oscillations consist of a predominantly vertical hydrodynamic wave motion in the photosphere and chromosphere with amplitudes around 500 m/sec. The supergranulation consists of a series of convective cells, 30,000 km in diameter, in which material rises at the center, flows horizontally outward, and falls at the boundaries. The horizontal motion in the supergranulation was clearly observed, but its vertical motion was observed only marginally at best. The observations described in the report were made at the Mt. Wilson Observatory 150-foot solar telescope. (Author)

Descriptors :   (*SOLAR ATMOSPHERE, ATMOSPHERIC MOTION), SOLAR DISTURBANCES, MAGNETOHYDRODYNAMICS, MAGNETIC FIELDS

Subject Categories : Astrophysics

Distribution Statement : APPROVED FOR PUBLIC RELEASE