PHOBOS - Cracks or grooves?

Details PHOBOS - Cracks or grooves? PHOBOS - Cracks or grooves?

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987prir........12b&link_type=abstract

Priroda (ISSN 0032-874X), Sept. 1987, p. 12-17. In Russian.

Physics

Grooves, Phobos, Planetary Structure, Satellite Surfaces, Deimos, Planetary Evolution, Surface Properties

Scientific paper

A novel hypothesis for the origin of the parallel grooves on Phobos is proposed. After discarding the crack hypothesis, the paper suggests that the grooves formed as the result of a collision with a giant meteorite or fragments from near-Mars orbit. The grooves are considered to be 'furrows' which were 'ploughed' by planetary material displaced or even torn off as a result of the impact. This hypothesis provides a unified explanation for the formation of the giant crater on Phobos, the enigmatic grooves, and the absence of fragments.

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